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Volumn 59, Issue 4, 2001, Pages 91-102

The effects of ginseng, ephedrine, and caffeine on cognitive performance, mood and energy

Author keywords

[No Author keywords available]

Indexed keywords

CAFFEINE; EPHEDRINE;

EID: 0035002966     PISSN: 00296643     EISSN: None     Source Type: Journal    
DOI: 10.1111/j.1753-4887.2001.tb06995.x     Document Type: Review
Times cited : (124)

References (66)
  • 1
    • 0030937183 scopus 로고    scopus 로고
    • Pharmacokinetics and cardiovascular effects of ma-huang (ephedra sinica) in normotensive adults
    • White LM, Gardner SF, Gurley BJ, et al. Pharmacokinetics and cardiovascular effects of ma-huang (ephedra sinica) in normotensive adults. J Clin Pharmacol 1997;37:116-22
    • (1997) J Clin Pharmacol , vol.37 , pp. 116-122
    • White, L.M.1    Gardner, S.F.2    Gurley, B.J.3
  • 2
    • 4644280844 scopus 로고
    • A circumplex model of affect
    • Russell JA. A circumplex model of affect. J Pers Soc Psychol 1980;39(6):1161-78
    • (1980) J Pers Soc Psychol , vol.39 , Issue.6 , pp. 1161-1178
    • Russell, J.A.1
  • 3
    • 0030755899 scopus 로고    scopus 로고
    • Self-monitoring cognitive performance during sleep deprivation: Effects of modafinil, d-amphetamine and placebo
    • Baranski JV, Pigeau RA. Self-monitoring cognitive performance during sleep deprivation: effects of modafinil, d-amphetamine and placebo. J Sleep Res 1997;6(2):84-91
    • (1997) J Sleep Res , vol.6 , Issue.2 , pp. 84-91
    • Baranski, J.V.1    Pigeau, R.A.2
  • 4
    • 0033621813 scopus 로고    scopus 로고
    • Efficacy of dexedrine for maintaining aviator performance during 64 hours of sustained wakefulness: A simulator study
    • Caldwell JA, Smythe NK, Leduc PA, Caldwell JL. Efficacy of dexedrine for maintaining aviator performance during 64 hours of sustained wakefulness: a simulator study. Aviat Space Environ Med 2000;71(1):7-18
    • (2000) Aviat Space Environ Med , vol.71 , Issue.1 , pp. 7-18
    • Caldwell, J.A.1    Smythe, N.K.2    Leduc, P.A.3    Caldwell, J.L.4
  • 5
    • 0019224032 scopus 로고
    • The effects of amphetamines on selected physiological components related to athletic success
    • Chandler JE, Blair SN. The effects of amphetamines on selected physiological components related to athletic success. Med Sci Sports Exerc 1980;12:65-9
    • (1980) Med Sci Sports Exerc , vol.12 , pp. 65-69
    • Chandler, J.E.1    Blair, S.N.2
  • 6
    • 0024397006 scopus 로고
    • The effects of d-amphetamine on arousal, cognition and mood after prolonged total sleep deprivation
    • Newhouse PA, Belenky G, Thomas M, et al. The effects of d-amphetamine on arousal, cognition and mood after prolonged total sleep deprivation. Neuropsychopharmacology 1989;2(2):153-64
    • (1989) Neuropsychopharmacology , vol.2 , Issue.2 , pp. 153-164
    • Newhouse, P.A.1    Belenky, G.2    Thomas, M.3
  • 7
    • 0343659101 scopus 로고    scopus 로고
    • Doubly labeled water for energy expenditure
    • Carlson-Newberry S, Costello R, eds. Washington, DC: National Academy Press
    • Delany J. Doubly labeled water for energy expenditure. In: Carlson-Newberry S, Costello R, eds. Emerging technologies for nutrition research. Washington, DC: National Academy Press, 1997:281-96
    • Emerging Technologies for Nutrition Research , vol.1997 , pp. 281-296
    • Delany, J.1
  • 8
    • 0342788876 scopus 로고    scopus 로고
    • Measurement of oxygen uptake with probable equipment
    • Carlson-Newberry S, Costello R, eds. Washington, DC: National Academy Press
    • Patton J. Measurement of oxygen uptake with probable equipment. In: Carlson-Newberry S, Costello R, eds. Emerging technologies for nutrition research. Washington, DC: National Academy Press, 1997;13:297-314
    • (1997) Emerging Technologies for Nutrition Research , vol.13 , pp. 297-314
    • Patton, J.1
  • 9
    • 0020410785 scopus 로고
    • Psychophysical bases of perceived exertion
    • Borg GA. Psychophysical bases of perceived exertion. Med Sci Sports Exerc 1982;14:377
    • (1982) Med Sci Sports Exerc , vol.14 , pp. 377
    • Borg, G.A.1
  • 10
    • 0015877495 scopus 로고
    • Quantification of sleepiness: A new approach
    • Hoddes E, Zarcone V, Smythe H, et al. Quantification of sleepiness: a new approach. Psychophysiology 1973;10:431-6
    • (1973) Psychophysiology , vol.10 , pp. 431-436
    • Hoddes, E.1    Zarcone, V.2    Smythe, H.3
  • 12
    • 0033006631 scopus 로고    scopus 로고
    • Caffeine effects on mood and memory
    • Hertz RS. Caffeine effects on mood and memory. Behav Res Ther 1999;37:869-79
    • (1999) Behav Res Ther , vol.37 , pp. 869-879
    • Hertz, R.S.1
  • 13
    • 0000562916 scopus 로고
    • Chemistry and pharmacology of panax
    • Wagner H, Hikino H, Farnsworth NR, eds. London: Academic Press Inc.
    • Shibata S, Tanaka O, Shoji J, Saito H. Chemistry and pharmacology of panax. In: Wagner H, Hikino H, Farnsworth NR, eds. Economic and medicinal plant research, vol 1. London: Academic Press Inc., 1985:217-85
    • (1985) Economic and Medicinal Plant Research , vol.1 , pp. 217-285
    • Shibata, S.1    Tanaka, O.2    Shoji, J.3    Saito, H.4
  • 14
    • 0016804272 scopus 로고
    • Ginseng: Its history, dispersion, and folk tradition
    • Goldstein B. Ginseng: its history, dispersion, and folk tradition. Am J Chin Med 1975;3(3):223-34
    • (1975) Am J Chin Med , vol.3 , Issue.3 , pp. 223-234
    • Goldstein, B.1
  • 15
    • 0033951343 scopus 로고    scopus 로고
    • Evaluation of the ergogenic properties of ginseng
    • Bahrke M, Morgan WP. Evaluation of the ergogenic properties of ginseng. Sports Med 2000;29(2):113-33
    • (2000) Sports Med , vol.29 , Issue.2 , pp. 113-133
    • Bahrke, M.1    Morgan, W.P.2
  • 16
    • 24844475260 scopus 로고
    • The dispensatory of the United States of America
    • Philadelphia, PA: JB Lippincott Co.
    • Wood HC, La Wall CH, Youngken HW, et al. The dispensatory of the United States of America. Centennial (22nd) ed. Philadelphia, PA: JB Lippincott Co., 1937:1393
    • (1937) Centennial (22nd) Ed. , pp. 1393
    • Wood, H.C.1    La Wall, C.H.2    Youngken, H.W.3
  • 17
    • 0031665976 scopus 로고    scopus 로고
    • Ginseng supplementation does not enhance healthy young adult's peak aerobic exercise performance
    • Allen JD, McLung J, Nelson AG, Welsch M. Ginseng supplementation does not enhance healthy young adult's peak aerobic exercise performance. J Am Coll Nutr 1998;17(5):462-6
    • (1998) J Am Coll Nutr , vol.17 , Issue.5 , pp. 462-466
    • Allen, J.D.1    McLung, J.2    Nelson, A.G.3    Welsch, M.4
  • 18
    • 0030810548 scopus 로고    scopus 로고
    • No ergogenic effects of ginseng (panax ginseng C.A. Meyer) during graded maximal aerobic exercise
    • Engels HJ, Wirth JC. No ergogenic effects of ginseng (panax ginseng C.A. Meyer) during graded maximal aerobic exercise. J Am Diet Assoc 1997; 97(10):1110-5
    • (1997) J Am Diet Assoc , vol.97 , Issue.10 , pp. 1110-1115
    • Engels, H.J.1    Wirth, J.C.2
  • 19
    • 0015347721 scopus 로고
    • Pharmacological studies of panax and ginseng root: Pharmacological properties of a crude saponin fraction
    • Takagi K, Saito H, Tsuchiya M. Pharmacological studies of panax and ginseng root: pharmacological properties of a crude saponin fraction. Jpn J Pharmacol 1972;22:339-46
    • (1972) Jpn J Pharmacol , vol.22 , pp. 339-346
    • Takagi, K.1    Saito, H.2    Tsuchiya, M.3
  • 20
    • 0015991746 scopus 로고
    • Effect of panax ginseng root on spontaneous movement and exercise in mice
    • Takagi K, Saito H, Tsuchiya M. Effect of panax ginseng root on spontaneous movement and exercise in mice. Jpn J Pharmacol 1974;24:41-8
    • (1974) Jpn J Pharmacol , vol.24 , pp. 41-48
    • Takagi, K.1    Saito, H.2    Tsuchiya, M.3
  • 21
    • 0022574424 scopus 로고
    • A double-blind, placebo-controlled clinical study on the effects of a standardized ginseng extract on psychomotor performance in healthy volunteers
    • D'Angelo L, Grimaldi R, Caravaggi M, et al. A double-blind, placebo-controlled clinical study on the effects of a standardized ginseng extract on psychomotor performance in healthy volunteers. J Ethnopharmacol 1986;16:15-22
    • (1986) J Ethnopharmacol , vol.16 , pp. 15-22
    • D'Angelo, L.1    Grimaldi, R.2    Caravaggi, M.3
  • 22
    • 0000402668 scopus 로고
    • The effect of different ginsenoside concentrations on physical work capacity
    • Forgo I, Kirchdorfer AM. The effect of different ginsenoside concentrations on physical work capacity. Notabene Medici 1982;12(9):721-7
    • (1982) Notabene Medici , vol.12 , Issue.9 , pp. 721-727
    • Forgo, I.1    Kirchdorfer, A.M.2
  • 23
    • 0000457836 scopus 로고
    • The duration of the effect of the standardized ginseng extract g115 in healthy competitive athletes
    • Forgo I, Schimert G. The duration of the effect of the standardized ginseng extract G115 in healthy competitive athletes. Notabene Medici 1985;15(9):636-40
    • (1985) Notabene Medici , vol.15 , Issue.9 , pp. 636-640
    • Forgo, I.1    Schimert, G.2
  • 24
    • 0000023083 scopus 로고
    • Effects of ginseng on the performance of nurses on night duty
    • Hallstrom C, Fulder S, Carruthers M. Effects of ginseng on the performance of nurses on night duty. Comp Med East West 1982;6(4):277-82
    • (1982) Comp Med East West , vol.6 , Issue.4 , pp. 277-282
    • Hallstrom, C.1    Fulder, S.2    Carruthers, M.3
  • 25
    • 0029791527 scopus 로고    scopus 로고
    • No ergogenic effects of ginseng ingestion
    • Morris AC, Jacobs I, McLellan TM, et al. No ergogenic effects of ginseng ingestion. Int J Sport Nutr 1996;6(3):263-71
    • (1996) Int J Sport Nutr , vol.6 , Issue.3 , pp. 263-271
    • Morris, A.C.1    Jacobs, I.2    McLellan, T.M.3
  • 26
    • 0032830802 scopus 로고    scopus 로고
    • The efficacy of ginseng. A systematic review of randomized clinical trials
    • Vogler BK, Pittler MH, Ernst E. The efficacy of ginseng. A systematic review of randomized clinical trials. Eur J Clin Pharmacol 1999;55(8):567-75
    • (1999) Eur J Clin Pharmacol , vol.55 , Issue.8 , pp. 567-575
    • Vogler, B.K.1    Pittler, M.H.2    Ernst, E.3
  • 27
    • 0000217817 scopus 로고    scopus 로고
    • Catecholamines, sympathomimetic drugs and adrenergic receptor antagonists
    • Hardman JG, Limbird LE, Molinoff PB, eds. New York, NY: McGraw-Hill
    • Hoffman BB, Lefko RJ. Catecholamines, sympathomimetic drugs and adrenergic receptor antagonists. In: Hardman JG, Limbird LE, Molinoff PB, eds. Goodman and Gilman's the pharmacological basis of therapeutics. New York, NY: McGraw-Hill, 1996:199-248
    • Goodman and Gilman's the Pharmacological Basis of Therapeutics , vol.1996 , pp. 199-248
    • Hoffman, B.B.1    Lefko, R.J.2
  • 28
    • 0019857147 scopus 로고
    • Nasal decongestants
    • Empey DW, Medder KT. Nasal decongestants. Drugs 1981;21:438-43
    • (1981) Drugs , vol.21 , pp. 438-443
    • Empey, D.W.1    Medder, K.T.2
  • 29
    • 0342788875 scopus 로고    scopus 로고
    • Ephedra Survey Results: 1995-1999
    • Washington, DC: Arthur Anderson LLP, April 28
    • Ephedra Survey Results: 1995-1999. Prepared for: The American Herbal Products Association. Washington, DC: Arthur Anderson LLP, April 28, 2000
    • (2000) Prepared for: The American Herbal Products Association
  • 30
    • 0000046715 scopus 로고    scopus 로고
    • Dietary supplements containing ephedrine alkaloids; proposed rule. 21 CFR Part 111
    • Food and Drug Administration. Dietary supplements containing ephedrine alkaloids; proposed rule. 21 CFR Part 111. Federal Register 1997;62(107): 30678-724
    • (1997) Federal Register , vol.62 , Issue.107 , pp. 30678-30724
  • 31
    • 0007846751 scopus 로고    scopus 로고
    • Dietary supplements containing ephedrine alkaloids; withdrawn in part. 21 CFR Part 111
    • Food and Drug Administration. Dietary supplements containing ephedrine alkaloids; withdrawn in part. 21 CFR Part 111. Federal Register 2000;65(64): 17475-7
    • (2000) Federal Register , vol.65 , Issue.64 , pp. 17475-17477
  • 32
    • 0023513220 scopus 로고
    • Sympathomimetics and exercise enhancement: All in the mind?
    • DeMeersman R, Getty D, Schaffer D. Sympathomimetics and exercise enhancement: all in the mind? Pharmacol Biochem Behav 1987;28:361-5
    • (1987) Pharmacol Biochem Behav , vol.28 , pp. 361-365
    • DeMeersman, R.1    Getty, D.2    Schaffer, D.3
  • 33
    • 0030863185 scopus 로고    scopus 로고
    • Do pseudoephedrine or phenylpropanolamine improve maximum oxygen uptake and time to exhaustion?
    • Swain RA, Harsha DM, Baenziger J, Saywell RM. Do pseudoephedrine or phenylpropanolamine improve maximum oxygen uptake and time to exhaustion? Clin J Sport Med 1997;7:168-73
    • (1997) Clin J Sport Med , vol.7 , pp. 168-173
    • Swain, R.A.1    Harsha, D.M.2    Baenziger, J.3    Saywell, R.M.4
  • 34
    • 0031969345 scopus 로고    scopus 로고
    • Effects of caffeine, ephedrine and their combination on time to exhaustion during high-intensity exercise
    • Bell DG, Jacobs I, McLellan TM. Effects of caffeine, ephedrine and their combination on time to exhaustion during high-intensity exercise. Eur J Appl Physiol 1998;77:427-33
    • (1998) Eur J Appl Physiol , vol.77 , pp. 427-433
    • Bell, D.G.1    Jacobs, I.2    McLellan, T.M.3
  • 37
    • 0032847581 scopus 로고    scopus 로고
    • The effects of ephedrine on the development of fatigue in a prolonged driving related task
    • Mooleenar M, Desmond PA, Mascord DJ, et al. The effects of ephedrine on the development of fatigue in a prolonged driving related task. Hum Psychopharmacol Clin Exp 1999;14:415-27
    • (1999) Hum Psychopharmacol Clin Exp , vol.14 , pp. 415-427
    • Mooleenar, M.1    Desmond, P.A.2    Mascord, D.J.3
  • 40
  • 41
    • 0019439260 scopus 로고
    • The effects upon vigilance and reaction speed of the addition of ephedrine hydrochloride to chlorpheniramine maleate
    • Millar K, Wilkinson RT. The effects upon vigilance and reaction speed of the addition of ephedrine hydrochloride to chlorpheniramine maleate. Eur J Clin Pharmacol 1981;20:351-7
    • (1981) Eur J Clin Pharmacol , vol.20 , pp. 351-357
    • Millar, K.1    Wilkinson, R.T.2
  • 42
    • 0028214072 scopus 로고
    • Factors influencing the reinforcing and subjective effects of ephedrine in humans
    • Chait LD. Factors influencing the reinforcing and subjective effects of ephedrine in humans. Psychopharmacology (Berl) 1994;113:381-7
    • (1994) Psychopharmacology (Berl) , vol.113 , pp. 381-387
    • Chait, L.D.1
  • 43
    • 0002818210 scopus 로고
    • Biological effects of caffeine: History and use
    • Roberts H, Barone JJ. Biological effects of caffeine: history and use. Food Technology 1983;37(9):32-9
    • (1983) Food Technology , vol.37 , Issue.9 , pp. 32-39
    • Roberts, H.1    Barone, J.J.2
  • 44
    • 0002071931 scopus 로고    scopus 로고
    • Drugs used in the treatment of asthma
    • Hardman JG, Limbird LE, Molinoff PB, eds. New York, NY: McGraw-Hill
    • Serafin WE. Drugs used in the treatment of asthma. In: Hardman JG, Limbird LE, Molinoff PB, eds. Goodman and Gilman's the pharmacological basis of therapeutics. New York, NY: McGraw-Hill, 1996:659-82
    • Goodman and Gilman's the Pharmacological Basis of Therapeutics , vol.1996 , pp. 659-682
    • Serafin, W.E.1
  • 45
    • 0003390416 scopus 로고
    • Adenosine as a mediator of the behavioral effects of xanthines
    • Dews PB, ed. New York, NY: Springer
    • Snyder SH. Adenosine as a mediator of the behavioral effects of xanthines. In: Dews PB, ed. Caffeine. New York, NY: Springer, 1984:129-41
    • (1984) Caffeine , pp. 129-141
    • Snyder, S.H.1
  • 46
    • 0002420020 scopus 로고    scopus 로고
    • Drug addiction and drug abuse
    • Hardman JG, Limbird LE, Molinoff PB, et al., eds. New York, NY: McGraw-Hill
    • O'Brien CP. Drug addiction and drug abuse. In: Hardman JG, Limbird LE, Molinoff PB, et al., eds. Goodman and Gilman's the pharmacological basis of therapeutics. New York, NY: McGraw-Hill, 1996:557-78
    • Goodman and Gilman's the Pharmacological Basis of Therapeutics , vol.1996 , pp. 557-578
    • O'Brien, C.P.1
  • 48
    • 84921178151 scopus 로고
    • Anonymous. Consumer Reports. 1991;56(8):525
    • (1991) Consumer Reports , vol.56 , Issue.8 , pp. 525
  • 49
    • 0342353921 scopus 로고
    • Chicago, IL: Institute of Food Technologists
    • Institute of Food Technologists' Expert Panel on Food Safety & Nutrition. Evaluation of caffeine safety. Chicago, IL: Institute of Food Technologists, 1987
    • (1987) Evaluation of Caffeine Safety
  • 51
    • 0025272754 scopus 로고
    • Clinical pharmacology of caffeine
    • Benowitz N. Clinical pharmacology of caffeine. Annu Rev Med 1990;41:277-88
    • (1990) Annu Rev Med , vol.41 , pp. 277-288
    • Benowitz, N.1
  • 52
    • 0032804189 scopus 로고    scopus 로고
    • The influences of age and caffeine of psychomotor and cognitive funtion
    • Rees K, Allen D, Lader M. The influences of age and caffeine of psychomotor and cognitive funtion. Psychopharmacology 1999;145:181-8
    • (1999) Psychopharmacology , vol.145 , pp. 181-188
    • Rees, K.1    Allen, D.2    Lader, M.3
  • 53
    • 0032776816 scopus 로고    scopus 로고
    • Breakfast cereal and caffeinated coffee: Effects on working memory, attention, mood, and cardiovascular function
    • Smith A, Clark R, Gallagher J. Breakfast cereal and caffeinated coffee: effects on working memory, attention, mood, and cardiovascular function. Physiol Behav 1999;67(1):9-17
    • (1999) Physiol Behav , vol.67 , Issue.1 , pp. 9-17
    • Smith, A.1    Clark, R.2    Gallagher, J.3
  • 54
    • 18744422317 scopus 로고
    • Effects of caffeine and cyclizine alone and in combination on human performance, subjective effects and EEG activity
    • Clubley M, Bye CE, Henson TA, et al. Effects of caffeine and cyclizine alone and in combination on human performance, subjective effects and EEG activity. Br J Clin Pharmacol 1979;7:157-63
    • (1979) Br J Clin Pharmacol , vol.7 , pp. 157-163
    • Clubley, M.1    Bye, C.E.2    Henson, T.A.3
  • 57
    • 0032832518 scopus 로고    scopus 로고
    • Effects of a low dose of caffeine given in different drinks on mood and performance
    • Smith A, Sturgess W, Gallagher J. Effects of a low dose of caffeine given in different drinks on mood and performance. Hum Psychopharmacol Clin Exp 1999;14:473-82
    • (1999) Hum Psychopharmacol Clin Exp , vol.14 , pp. 473-482
    • Smith, A.1    Sturgess, W.2    Gallagher, J.3
  • 58
    • 0030807271 scopus 로고    scopus 로고
    • Dose-dependent pharmacokinetics and psychomotor effects of caffeine in humans
    • Kaplan GB, Greenblatt DJ, Ehrenberg BL, et al. Dose-dependent pharmacokinetics and psychomotor effects of caffeine in humans. J Clin Pharmacol 1997;37:693-703
    • (1997) J Clin Pharmacol , vol.37 , pp. 693-703
    • Kaplan, G.B.1    Greenblatt, D.J.2    Ehrenberg, B.L.3
  • 59
    • 0027296247 scopus 로고
    • Caffeine reversal of sleep deprivation effects on alertness and mood
    • Penetar D, McCann U, Throne D, et al. Caffeine reversal of sleep deprivation effects on alertness and mood. Psychopharmacology (Berl) 1993;112: 359-65
    • (1993) Psychopharmacology (Berl) , vol.112 , pp. 359-365
    • Penetar, D.1    McCann, U.2    Throne, D.3
  • 61
    • 0020387329 scopus 로고
    • Diet-induced mood changes in normal populations
    • Leathwood P, Pollet P. Diet-induced mood changes in normal populations. J Psychiatr Res 1983;17: 147-54
    • (1983) J Psychiatr Res , vol.17 , pp. 147-154
    • Leathwood, P.1    Pollet, P.2
  • 63
    • 0031713322 scopus 로고    scopus 로고
    • Metabolic and exercise endurance effects of coffee and caffeine ingestion
    • Graham TE, Hibbert E, Sathasivam P. Metabolic and exercise endurance effects of coffee and caffeine ingestion. J Appl Physiol 1998;85(3):883-89
    • (1998) J Appl Physiol , vol.85 , Issue.3 , pp. 883-889
    • Graham, T.E.1    Hibbert, E.2    Sathasivam, P.3
  • 64
    • 0028946445 scopus 로고
    • Metabolic, catecholamine, and exercise performance responses to various doses of caffeine
    • Graham TE, Spriet LL. Metabolic, catecholamine, and exercise performance responses to various doses of caffeine. J Appl Physiol 1995;78(3):867-74
    • (1995) J Appl Physiol , vol.78 , Issue.3 , pp. 867-874
    • Graham, T.E.1    Spriet, L.L.2
  • 65
    • 0029027289 scopus 로고
    • The effect of different dosages of caffeine on endurance performance time
    • Pasman WJ, Van Baak MA, Jeukendrup AE, De Haan A. The effect of different dosages of caffeine on endurance performance time. Int J Sports Med 1995;16(4):225-30
    • (1995) Int J Sports Med , vol.16 , Issue.4 , pp. 225-230
    • Pasman, W.J.1    Van Baak, M.A.2    Jeukendrup, A.E.3    De Haan, A.4
  • 66
    • 0025854814 scopus 로고
    • The effects of caffeine on two computerized tests of attention and vigilance
    • Frewer LJ, Lader M. The effects of caffeine on two computerized tests of attention and vigilance. Hum Psychopharmacol 1991;6:119-28
    • (1991) Hum Psychopharmacol , vol.6 , pp. 119-128
    • Frewer, L.J.1    Lader, M.2


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