-
1
-
-
51349159905
-
Medical radiation exposures
-
United Nations Scientific Committee on the sources and effects of Ionising radiation, Assembly, 2000, New York: United Nations
-
United Nations Scientific Committee on the sources and effects of Ionising radiation. Report on the effects of atomic radiation to the general Assembly, 2000. Medical radiation exposures. New York: United Nations, 2001
-
(2001)
Report on the effects of atomic radiation to the general
-
-
-
2
-
-
1542343838
-
Sustainability of medical imaging. Education and Debate
-
Picano E. Sustainability of medical imaging. Education and Debate. BMJ 2004;328:578-80.
-
(2004)
BMJ
, vol.328
, pp. 578-580
-
-
Picano, E.1
-
3
-
-
21244494847
-
Patient exposure in medical X-Ray imaging in Europe
-
Regulla FD, Eder H. Patient exposure in medical X-Ray imaging in Europe. Radiat Prot Dosimetry 2005;114:11-25.
-
(2005)
Radiat Prot Dosimetry
, vol.114
, pp. 11-25
-
-
Regulla, F.D.1
Eder, H.2
-
5
-
-
33644857761
-
Temporal trends in the utilization of diagnostic testing and treatments for cardiovascular disease in the United States, 1993-2001
-
Lucas FL, DeLorenzo MA, Sievers AE, Wennberg DE. Temporal trends in the utilization of diagnostic testing and treatments for cardiovascular disease in the United States, 1993-2001. Circulation 2006;113:374-9.
-
(2006)
Circulation
, vol.113
, pp. 374-379
-
-
Lucas, F.L.1
DeLorenzo, M.A.2
Sievers, A.E.3
Wennberg, D.E.4
-
6
-
-
34948895920
-
Radiation dose to patients from cardiac diagnostic imaging
-
Einstein AJ, Moser KW, Thompson RC, Cerqueira MD, Henzlova MJ. Radiation dose to patients from cardiac diagnostic imaging. Circulation 2007;116:1290-305.
-
(2007)
Circulation
, vol.116
, pp. 1290-1305
-
-
Einstein, A.J.1
Moser, K.W.2
Thompson, R.C.3
Cerqueira, M.D.4
Henzlova, M.J.5
-
7
-
-
3042758914
-
Working Group, Interventional Cardiology and Coronary Pathophysiology, European Society of Cardiology. Percutaneous coronary intervention in Europe 1992-2001
-
Togni M, Balmer F, Pfiffner D, Maier W, Zeiher AM, Meier B; Working Group, Interventional Cardiology and Coronary Pathophysiology, European Society of Cardiology. Percutaneous coronary intervention in Europe 1992-2001. Eur Heart J 2004;25:1208-13.
-
(2004)
Eur Heart J
, vol.25
, pp. 1208-1213
-
-
Togni, M.1
Balmer, F.2
Pfiffner, D.3
Maier, W.4
Zeiher, A.M.5
Meier, B.6
-
8
-
-
33645242116
-
ICRP special radiation protection issues in interventional radiology, digital and cardiac imaging
-
Vano E, Faulkner K. ICRP special radiation protection issues in interventional radiology, digital and cardiac imaging. Radiat Prot Dosimetry 2005;117:13-7.
-
(2005)
Radiat Prot Dosimetry
, vol.117
, pp. 13-17
-
-
Vano, E.1
Faulkner, K.2
-
9
-
-
36549007486
-
Computed tomography - an increasing source of radiation exposure
-
Brenner DJ, Hall EJ. Computed tomography - an increasing source of radiation exposure. N Engl J Med 2007;357:2277-84.
-
(2007)
N Engl J Med
, vol.357
, pp. 2277-2284
-
-
Brenner, D.J.1
Hall, E.J.2
-
10
-
-
33646201890
-
Comparison of radiation doses from multislice computed tomography coronary angiography and conventional diagnostic angiography
-
Coles DR, Smail MA, Negus IS, Wilde P, Oberhoff M, Karsch KR, et al. Comparison of radiation doses from multislice computed tomography coronary angiography and conventional diagnostic angiography. J Am Coll Cardiol 2006;47:1840-5.
-
(2006)
J Am Coll Cardiol
, vol.47
, pp. 1840-1845
-
-
Coles, D.R.1
Smail, M.A.2
Negus, I.S.3
Wilde, P.4
Oberhoff, M.5
Karsch, K.R.6
-
11
-
-
40149085609
-
-
European Commission Referral Guidelines for imaging, Available from:, Accessed 6 May 2008
-
European Commission Referral Guidelines for imaging. Rad Protect 2001;118:1-125. Available from: http://ec.europa. eu/energy/nuclear/ radioprotection/publication/doc/118_ en.pdf [Accessed 6 May 2008].
-
(2001)
Rad Protect
, vol.118
, pp. 1-125
-
-
-
12
-
-
51349106076
-
Giofil. Linea guida ASSR sulla diagnostica per immagini [Guidelines for medical imaging]
-
Agenzia Servizi Sanitari Regionali
-
Agenzia Servizi Sanitari Regionali. Giofil. Linea guida ASSR sulla diagnostica per immagini [Guidelines for medical imaging]. Italian Health Ministry Imaging Guidelines, 2004.
-
(2004)
Italian Health Ministry Imaging Guidelines
-
-
-
13
-
-
23944506065
-
Radiation exposure of patients undergoing nuclear medicine procedures in Germany between 1996 and 2000. Multicenter evaluation of age and gender-specific patient data
-
Hacker M, Schnell-Inderst P, Nosske D, Weiss M, Stamm-Meyer A, Brix G, et al. Radiation exposure of patients undergoing nuclear medicine procedures in Germany between 1996 and 2000. Multicenter evaluation of age and gender-specific patient data. Nuklearmedizin 2005;44: 119-30.
-
(2005)
Nuklearmedizin
, vol.44
, pp. 119-130
-
-
Hacker, M.1
Schnell-Inderst, P.2
Nosske, D.3
Weiss, M.4
Stamm-Meyer, A.5
Brix, G.6
-
14
-
-
32044436111
-
Issues regarding radiation dosage of cardiac nuclear and radiography procedures
-
Thompson RC, Cullom SJ. Issues regarding radiation dosage of cardiac nuclear and radiography procedures. J Nucl Cardiol 2006;13:19-23.
-
(2006)
J Nucl Cardiol
, vol.13
, pp. 19-23
-
-
Thompson, R.C.1
Cullom, S.J.2
-
15
-
-
19544389633
-
-
Jenkins WMM, Brocklebank LM, Winning SM, Wylupek M, Donaldson A, Strang RM. A comparison of two radiographic assessment protocols for patients with periodontal disease. Br Den J 2005;198:565-9.
-
Jenkins WMM, Brocklebank LM, Winning SM, Wylupek M, Donaldson A, Strang RM. A comparison of two radiographic assessment protocols for patients with periodontal disease. Br Den J 2005;198:565-9.
-
-
-
-
16
-
-
33645235271
-
Radiation dose vs image quality for low-dose CT protocols of the head for maxillofacial surgery and oral implant planning
-
Loubele M, Jacobs R, Maes F, Schutyser F, Debaveye D, Bogaerts R, et al. Radiation dose vs image quality for low-dose CT protocols of the head for maxillofacial surgery and oral implant planning. Radiat Prot Dosimetry 2005;117:211-6.
-
(2005)
Radiat Prot Dosimetry
, vol.117
, pp. 211-216
-
-
Loubele, M.1
Jacobs, R.2
Maes, F.3
Schutyser, F.4
Debaveye, D.5
Bogaerts, R.6
-
17
-
-
0141518416
-
CT arthrography of the glenohumeral joint: CT fluoroscopy vs conventional CT and fluoroscopy comparison of image guidance techniques
-
Binkert CA, Verdun FR, Zanetti M, Pfirrmann CW, Hodler J. CT arthrography of the glenohumeral joint: CT fluoroscopy vs conventional CT and fluoroscopy comparison of image guidance techniques. Radiology 2003;229:153-8.
-
(2003)
Radiology
, vol.229
, pp. 153-158
-
-
Binkert, C.A.1
Verdun, F.R.2
Zanetti, M.3
Pfirrmann, C.W.4
Hodler, J.5
-
19
-
-
33751056191
-
Radiation dose exposure during cardiac and peripheral arteries catheterisation
-
Kocinaj D, Cioppa A, Ambrosini G, Tesorio T, Salemme L, Sorropago G, et al. Radiation dose exposure during cardiac and peripheral arteries catheterisation. Int J Cardiol 2006;113:283-4.
-
(2006)
Int J Cardiol
, vol.113
, pp. 283-284
-
-
Kocinaj, D.1
Cioppa, A.2
Ambrosini, G.3
Tesorio, T.4
Salemme, L.5
Sorropago, G.6
-
20
-
-
28944437901
-
Fluoroscopically guided implantation of modern cardiac resynchronization devices
-
Perisinakis K, Theocharopoulos N, Damilakis J, Manios E, Vardas P, Gourtsoyiannis N. Fluoroscopically guided implantation of modern cardiac resynchronization devices. J Am Coll Cardiol 2005;46:2335-9.
-
(2005)
J Am Coll Cardiol
, vol.46
, pp. 2335-2339
-
-
Perisinakis, K.1
Theocharopoulos, N.2
Damilakis, J.3
Manios, E.4
Vardas, P.5
Gourtsoyiannis, N.6
-
21
-
-
0003733260
-
recommendations of the International Commission on Radiological Protection
-
ICRP Publication 60
-
ICRP Publication 60. 1990 recommendations of the International Commission on Radiological Protection. Ann ICRP 1991;21:114-37.
-
(1990)
Ann ICRP 1991
, vol.21
, pp. 114-137
-
-
-
22
-
-
85048209304
-
Radiation and your patient: A guide for medical practitioners
-
International Commission on Radiation Protection, Available from:, Accessed 6 May 2008
-
International Commission on Radiation Protection. Radiation and your patient: a guide for medical practitioners. A web module produced by Committee 3 of the International Commission on Radiological Protection 2001. Available from: www.icrp.org/docs/Rad_for_GP_for_web.pdf [Accessed 6 May 2008].
-
(2001)
A web module produced by Committee 3 of the International Commission on Radiological Protection
-
-
-
23
-
-
51349144291
-
-
Committee to Assess Health Risks from Exposure to Low Levels of Ionizing Radiation; Nuclear and Radiation Studies Board, Division on Earth and Life Studies, National Research Council of the National Academies. Health Risks From Exposure to Low Levels of Ionizing Radiation: BEIR VII Phase 2. Washington, DC: The National Academies Press; 2006
-
Committee to Assess Health Risks from Exposure to Low Levels of Ionizing Radiation; Nuclear and Radiation Studies Board, Division on Earth and Life Studies, National Research Council of the National Academies. Health Risks From Exposure to Low Levels of Ionizing Radiation: BEIR VII Phase 2. Washington, DC: The National Academies Press; 2006.
-
-
-
-
24
-
-
4944262722
-
Informed consent and communication of risk from radiological and nuclear medicine examinations: How to escape from a communication inferno
-
Picano E. Informed consent and communication of risk from radiological and nuclear medicine examinations: how to escape from a communication inferno. BMJ 2004;329:849-51.
-
(2004)
BMJ
, vol.329
, pp. 849-851
-
-
Picano, E.1
-
25
-
-
34447558140
-
Estimating risk of cancer associated with radiation exposure from 64-slice computed tomography coronary angiography
-
Einstein AJ, Henzlova MJ, Rajagopalan S. Estimating risk of cancer associated with radiation exposure from 64-slice computed tomography coronary angiography. JAMA 2007;298:317-23.
-
(2007)
JAMA
, vol.298
, pp. 317-323
-
-
Einstein, A.J.1
Henzlova, M.J.2
Rajagopalan, S.3
-
26
-
-
33646184961
-
Radiation exposure of computed tomography and direct intracoronary angiography: Risk has its reward
-
Zanzonico P, Rothenberg LN, Strauss HW. Radiation exposure of computed tomography and direct intracoronary angiography: risk has its reward. J Am Coll Cardiol 2006;47:1846-9.
-
(2006)
J Am Coll Cardiol
, vol.47
, pp. 1846-1849
-
-
Zanzonico, P.1
Rothenberg, L.N.2
Strauss, H.W.3
-
27
-
-
0842348097
-
Risk of cancer from diagnostic X-rays: Estimates for the UK and 14 other countries
-
Berrington de Gonzales A, Darby S. Risk of cancer from diagnostic X-rays: estimates for the UK and 14 other countries. Lancet 2004;363:345-51.
-
(2004)
Lancet
, vol.363
, pp. 345-351
-
-
Berrington de Gonzales, A.1
Darby, S.2
-
28
-
-
2942672875
-
Risk of cancer from diagnostic X-rays
-
Picano E. Risk of cancer from diagnostic X-rays. Lancet 2004;363:1908-10.
-
(2004)
Lancet
, vol.363
, pp. 1908-1910
-
-
Picano, E.1
-
29
-
-
10744232211
-
Preliminary reference levels in interventional cardiology
-
Neofotistou V, Vano E, Padovani R, Kotre J, Dowling A, Toivonen M, et al. Preliminary reference levels in interventional cardiology. Eur Radiol 2003;13:2259-63.
-
(2003)
Eur Radiol
, vol.13
, pp. 2259-2263
-
-
Neofotistou, V.1
Vano, E.2
Padovani, R.3
Kotre, J.4
Dowling, A.5
Toivonen, M.6
-
30
-
-
51349129312
-
-
European Commission Community Research, Available from:, Accessed 6 May 2008
-
European Commission Community Research. Optimisation protection in the medical uses of radiation. Available from: http://europa.eu/research/energy/pdf/ meduse_1. pdf [Accessed 6 May 2008].
-
Optimisation protection in the medical uses of radiation
-
-
-
31
-
-
33544463720
-
CT radiation exposure: Rationale for concern and strategies for dose reduction
-
Kalra MK, Maher MM, Saini S. CT radiation exposure: rationale for concern and strategies for dose reduction. Proc SCBT/MR 2003;7:45-54.
-
(2003)
Proc SCBT/MR
, vol.7
, pp. 45-54
-
-
Kalra, M.K.1
Maher, M.M.2
Saini, S.3
-
32
-
-
33646766184
-
Radiation dose associated with unenhanced CT for suspected renal colic: Impact of repetitive studies
-
Katz SI, Saluja S, Brink JA, Forman HP. Radiation dose associated with unenhanced CT for suspected renal colic: impact of repetitive studies. AJR Am J Roentgenol 2006;186:1120-1.
-
(2006)
AJR Am J Roentgenol
, vol.186
, pp. 1120-1121
-
-
Katz, S.I.1
Saluja, S.2
Brink, J.A.3
Forman, H.P.4
-
33
-
-
0043234199
-
Doctors' knowledge of radiation exposure: Questionnaire study
-
Shiralkar S, Rennie A, Snow M, Galland RB, Lewis MH, Gower-Thomas K. Doctors' knowledge of radiation exposure: questionnaire study. BMJ 2003;327:371-2.
-
(2003)
BMJ
, vol.327
, pp. 371-372
-
-
Shiralkar, S.1
Rennie, A.2
Snow, M.3
Galland, R.B.4
Lewis, M.H.5
Gower-Thomas, K.6
-
34
-
-
23644461603
-
Lack of radiological awareness among physicians working in a tertiary-care cardiological centre
-
Correia MJ, Hellies A, Andreassi MG, Ghelarducci B, Picano E. Lack of radiological awareness among physicians working in a tertiary-care cardiological centre. Int J Cardiol 2005;105:307-11.
-
(2005)
Int J Cardiol
, vol.105
, pp. 307-311
-
-
Correia, M.J.1
Hellies, A.2
Andreassi, M.G.3
Ghelarducci, B.4
Picano, E.5
-
35
-
-
2142696558
-
Diagnostic CT scans: Assessment of patient, physician, and radiologist awareness of radiation dose and possible risks
-
Lee CI, Haims AH, Monico EP, Brink JA, Forman HP. Diagnostic CT scans: assessment of patient, physician, and radiologist awareness of radiation dose and possible risks. Radiology 2004;231:393-8.
-
(2004)
Radiology
, vol.231
, pp. 393-398
-
-
Lee, C.I.1
Haims, A.H.2
Monico, E.P.3
Brink, J.A.4
Forman, H.P.5
-
36
-
-
33746507880
-
Assessment of radiation dose awareness among pediatricians
-
Thomas KE, Parnell-Parmley JE, Haidar S, Moineddin R, Charkot E, BenDavid G, et al. Assessment of radiation dose awareness among pediatricians. Pediatr Radiol 2006;36:823-32.
-
(2006)
Pediatr Radiol
, vol.36
, pp. 823-832
-
-
Thomas, K.E.1
Parnell-Parmley, J.E.2
Haidar, S.3
Moineddin, R.4
Charkot, E.5
BenDavid, G.6
-
37
-
-
33646395944
-
Occupational radiation doses in interventional cardiology: A 15-year follow-up
-
Vano E, Gonzalez L, Fernandez JM, Alfonso F, Macaya C. Occupational radiation doses in interventional cardiology: a 15-year follow-up. Br J Radiol 2006;79:383-8.
-
(2006)
Br J Radiol
, vol.79
, pp. 383-388
-
-
Vano, E.1
Gonzalez, L.2
Fernandez, J.M.3
Alfonso, F.4
Macaya, C.5
-
38
-
-
33646790481
-
Health effects of ionising radiation from diagnostic CT
-
Martin DR, Semelka RC. Health effects of ionising radiation from diagnostic CT. Lancet 2006;367:1712-3.
-
(2006)
Lancet
, vol.367
, pp. 1712-1713
-
-
Martin, D.R.1
Semelka, R.C.2
-
39
-
-
38049054061
-
The American College of Radiology on radiation dose in medicine: Deep impact on the practice of cardiovascular imaging
-
Picano E, Vano E, Semelka R, Regulla D. The American College of Radiology on radiation dose in medicine: deep impact on the practice of cardiovascular imaging. Cardiovasc Ultrasound 2007;5:37.
-
(2007)
Cardiovasc Ultrasound
, vol.5
, pp. 37
-
-
Picano, E.1
Vano, E.2
Semelka, R.3
Regulla, D.4
-
40
-
-
10744219719
-
Cancer risks attributable to low doses of ionizing radiation: Assessing what we really know
-
Brenner DJ, Doll R, Godhead DT, Hall EJ, Land CE, Little JB, et al. Cancer risks attributable to low doses of ionizing radiation: assessing what we really know. Proc Natl Acad Sci USA 2003;100:13761-6.
-
(2003)
Proc Natl Acad Sci USA
, vol.100
, pp. 13761-13766
-
-
Brenner, D.J.1
Doll, R.2
Godhead, D.T.3
Hall, E.J.4
Land, C.E.5
Little, J.B.6
-
41
-
-
33644660160
-
Estimating radiation-induced cancer risks at very low doses: Rationale for using a linear no-threshold approach
-
Brenner DJ, Sachs RK. Estimating radiation-induced cancer risks at very low doses: rationale for using a linear no-threshold approach. Radiat Environ Biophys 2006;44:253-6.
-
(2006)
Radiat Environ Biophys
, vol.44
, pp. 253-256
-
-
Brenner, D.J.1
Sachs, R.K.2
-
42
-
-
33746871873
-
Researchers examine long-term risks of exposure to medical radiation. (Medical news and perspectives)
-
Hampton T. Researchers examine long-term risks of exposure to medical radiation. (Medical news and perspectives). JAMA 2006;296:638-40.
-
(2006)
JAMA
, vol.296
, pp. 638-640
-
-
Hampton, T.1
-
43
-
-
22144471920
-
Risk of cancer after low doses of ionising radiation: Retrospective cohort study in 15 countries
-
Cardis E, Vrijheid M, Blettner M, Gilbert E, Hakama M, Hill C, et al. Risk of cancer after low doses of ionising radiation: retrospective cohort study in 15 countries. BMJ 2005;331:77.
-
(2005)
BMJ
, vol.331
, pp. 77
-
-
Cardis, E.1
Vrijheid, M.2
Blettner, M.3
Gilbert, E.4
Hakama, M.5
Hill, C.6
-
44
-
-
20444448133
-
Somatic DNA damage in interventional cardiologists: A case-control study
-
Andreassi MG, Cioppa A, Botto N, Joksic G, Manfredi S, Picano E. Somatic DNA damage in interventional cardiologists: a case-control study. FASEB J 2005;19:998-9.
-
(2005)
FASEB J
, vol.19
, pp. 998-999
-
-
Andreassi, M.G.1
Cioppa, A.2
Botto, N.3
Joksic, G.4
Manfredi, S.5
Picano, E.6
-
45
-
-
33750918518
-
Cardiac catheterization and long-term chromosomal damage in children with congenital heart disease
-
Andreassi MG, Ait-Ali L, Botto N, Manfredi S, Mottola G, Picano E. Cardiac catheterization and long-term chromosomal damage in children with congenital heart disease. Eur Heart J 2006;27:2703-8.
-
(2006)
Eur Heart J
, vol.27
, pp. 2703-2708
-
-
Andreassi, M.G.1
Ait-Ali, L.2
Botto, N.3
Manfredi, S.4
Mottola, G.5
Picano, E.6
-
46
-
-
34548735441
-
Acute chromosomal DNA damage in human lymphocytes after radiation exposure in invasive cardiovascular procedures
-
Andreassi MG, Cioppa A, Manfredi S, Palmieri C, Botto N, Picano E. Acute chromosomal DNA damage in human lymphocytes after radiation exposure in invasive cardiovascular procedures. Eur Heart J 2007;28:2195-9.
-
(2007)
Eur Heart J
, vol.28
, pp. 2195-2199
-
-
Andreassi, M.G.1
Cioppa, A.2
Manfredi, S.3
Palmieri, C.4
Botto, N.5
Picano, E.6
-
47
-
-
34247624184
-
American College of Radiology. American College of Radiology white paper on radiation dose in medicine
-
Amis ES Jr, Butler PF, Applegate KE, Birnbaum SB, Brateman LF, Hevezi JM, et al; American College of Radiology. American College of Radiology white paper on radiation dose in medicine. J Am Coll Radiol 2007;4:272-84.
-
(2007)
J Am Coll Radiol
, vol.4
, pp. 272-284
-
-
Amis Jr, E.S.1
Butler, P.F.2
Applegate, K.E.3
Birnbaum, S.B.4
Brateman, L.F.5
Hevezi, J.M.6
-
48
-
-
51349134343
-
-
Mettler FA Jr. Report from National Council on Radiation protection. Diagnostic Imaging Online 2007. Available from: http://www.ncrponline.org/ [Accessed 18 July 2008].
-
Mettler FA Jr. Report from National Council on Radiation protection. Diagnostic Imaging Online 2007. Available from: http://www.ncrponline.org/ [Accessed 18 July 2008].
-
-
-
-
49
-
-
40849096343
-
Application of appropriateness criteria to stress single-photon emission computed tomography sestamibi studies and stress echocardiograms in an academic medical center
-
Gibbons RJ, Miller TD, Hodge D, Urban L, Araoz PA, Pellikka P, et al. Application of appropriateness criteria to stress single-photon emission computed tomography sestamibi studies and stress echocardiograms in an academic medical center. J Am Coll Cardiol 2008;51:1283-9.
-
(2008)
J Am Coll Cardiol
, vol.51
, pp. 1283-1289
-
-
Gibbons, R.J.1
Miller, T.D.2
Hodge, D.3
Urban, L.4
Araoz, P.A.5
Pellikka, P.6
-
50
-
-
25444504252
-
Appropriateness use of coronary angiography in patients with suspected ischemic heart disease in Brazil
-
Gontijo RV, Proietti FA, Amaral CF, de Rezende NA. Appropriateness use of coronary angiography in patients with suspected ischemic heart disease in Brazil. Int J Cardiol 2005;104:348-9.
-
(2005)
Int J Cardiol
, vol.104
, pp. 348-349
-
-
Gontijo, R.V.1
Proietti, F.A.2
Amaral, C.F.3
de Rezende, N.A.4
-
51
-
-
0031252261
-
Radiation exposure: Clueless in the cath lab, or sayonara ALARA
-
Watson RM. Radiation exposure: clueless in the cath lab, or sayonara ALARA. Cathet Cardiovasc Diagn 1997;42:126-7.
-
(1997)
Cathet Cardiovasc Diagn
, vol.42
, pp. 126-127
-
-
Watson, R.M.1
-
52
-
-
51349094507
-
-
Council Directive 97/43/Euratom of 30 June 1997 on health protection of individual against the dangers of ionizing radiation in relation to medical exposure, and repealing Directive 84/466/Euratom. Official Journal of the European Communities L 180 1997:22-7.
-
Council Directive 97/43/Euratom of 30 June 1997 on health protection of individual against the dangers of ionizing radiation in relation to medical exposure, and repealing Directive 84/466/Euratom. Official Journal of the European Communities L 180 1997:22-7.
-
-
-
|