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Volumn 7, Issue 5, 2012, Pages

Promising system for selecting healthy in vitro-fertilized embryos in cattle

Author keywords

[No Author keywords available]

Indexed keywords

AKR1B1 GENE; ANIMAL CELL; ANIMAL TISSUE; ARTICLE; BLASTOCYST; BLASTOMERE; CATTLE; CELL CYCLE ARREST; CELL VIABILITY; CINEANGIOGRAPHY; CONTROLLED STUDY; CULTURE TECHNIQUE; CYTOGENETICS; DEVELOPMENTAL STAGE; EMBRYO; EMBRYO CULTURE; EMBRYO DEVELOPMENT; EMBRYO TRANSFER; FERTILIZATION IN VITRO; GENE EXPRESSION; HISTOLOGY; IFNT GENE; IGF2R GENE; MARKER GENE; MICROWELL CULTURE DISH; NONHUMAN; OOCYTE CLEAVAGE; OXYGEN CONSUMPTION; PREDICTIVE VALUE; PREGNANCY OUTCOME; PREGNANCY RATE; PROGNOSIS; REPRODUCTIVE SUCCESS; TIME LAPSE IMAGING; ANIMAL; CYTOLOGY; FEMALE; INSTRUMENTATION; METHODOLOGY; PREGNANCY;

EID: 84860736958     PISSN: None     EISSN: 19326203     Source Type: Journal    
DOI: 10.1371/journal.pone.0036627     Document Type: Article
Times cited : (101)

References (46)
  • 1
    • 0001934744 scopus 로고    scopus 로고
    • in Manual of the International Embryo Transfer Society, eds Stringfellow DA, Seidel SM (International Embryo Transfer Society), pp
    • Robertson IN, Nelson RE, (1998) in Manual of the International Embryo Transfer Society, eds Stringfellow DA, Seidel SM (International Embryo Transfer Society), pp 103-116.
    • (1998) , pp. 103-116
    • Robertson, I.N.1    Nelson, R.E.2
  • 2
    • 0002322975 scopus 로고
    • Agreement among evaluators of bovine embryos produced in vivo or in vitro
    • Farin PW, Britt JH, Shaw DW, Slenning BD, (1995) Agreement among evaluators of bovine embryos produced in vivo or in vitro. Theriogenology 44: 339-349.
    • (1995) Theriogenology , vol.44 , pp. 339-349
    • Farin, P.W.1    Britt, J.H.2    Shaw, D.W.3    Slenning, B.D.4
  • 3
    • 0033197456 scopus 로고    scopus 로고
    • Estimates of pregnancy outcomes based on selection of bovine embryos produced in vivo or in vitro
    • Farin PW, Slenning BD, Britt JH, (1999) Estimates of pregnancy outcomes based on selection of bovine embryos produced in vivo or in vitro. Theriogenology 52: 659-670.
    • (1999) Theriogenology , vol.52 , pp. 659-670
    • Farin, P.W.1    Slenning, B.D.2    Britt, J.H.3
  • 4
    • 0035992836 scopus 로고    scopus 로고
    • Aberrant allocations of inner cell mass and trophectoderm cells in bovine nuclear transfer blastocysts
    • Koo DB, Kang YK, Choi YH, Park JS, Kim HN, et al. (2002) Aberrant allocations of inner cell mass and trophectoderm cells in bovine nuclear transfer blastocysts. Biol Reprod 67: 487-492.
    • (2002) Biol Reprod , vol.67 , pp. 487-492
    • Koo, D.B.1    Kang, Y.K.2    Choi, Y.H.3    Park, J.S.4    Kim, H.N.5
  • 5
    • 0141795498 scopus 로고    scopus 로고
    • Chronology of apoptosis in bovine embryos produced in vivo and in vitro
    • Gjorret JO, Knijn HM, Dieleman SJ, Avery B, Larsson LI, et al. (2003) Chronology of apoptosis in bovine embryos produced in vivo and in vitro. Biol Reprod 69: 1193-1200.
    • (2003) Biol Reprod , vol.69 , pp. 1193-1200
    • Gjorret, J.O.1    Knijn, H.M.2    Dieleman, S.J.3    Avery, B.4    Larsson, L.I.5
  • 6
    • 0020030210 scopus 로고
    • The behaviour of cow blastocyst in vitro: cinematographic and morphometric analysis
    • Massip A, Mulnard J, Vanderzwalmen P, Hanzen C, Ectors F, (1982) The behaviour of cow blastocyst in vitro: cinematographic and morphometric analysis. J Anat 134: 399-405.
    • (1982) J Anat , vol.134 , pp. 399-405
    • Massip, A.1    Mulnard, J.2    Vanderzwalmen, P.3    Hanzen, C.4    Ectors, F.5
  • 7
    • 20244377029 scopus 로고    scopus 로고
    • A high proportion of bovine blastocysts produced in vitro are mixoploid
    • Viuff D, Rickords L, Offenberg H, Hyttel P, Avery B, et al. (1999) A high proportion of bovine blastocysts produced in vitro are mixoploid. Biol Reprod 60: 1273-1278.
    • (1999) Biol Reprod , vol.60 , pp. 1273-1278
    • Viuff, D.1    Rickords, L.2    Offenberg, H.3    Hyttel, P.4    Avery, B.5
  • 8
    • 34247889872 scopus 로고    scopus 로고
    • Large-scale transcriptional analysis of bovine embryo biopsies in relation to pregnancy success after transfer to recipients
    • El-Sayed A, Hoelker M, Rings F, Salilew D, Jennen D, et al. (2006) Large-scale transcriptional analysis of bovine embryo biopsies in relation to pregnancy success after transfer to recipients. Physiol Genomics 28: 84-96.
    • (2006) Physiol Genomics , vol.28 , pp. 84-96
    • El-Sayed, A.1    Hoelker, M.2    Rings, F.3    Salilew, D.4    Jennen, D.5
  • 9
    • 77951802960 scopus 로고    scopus 로고
    • Maturation, fertilisation and culture of bovine oocytes and embryos in an individually identifiable manner: a tool for studying oocyte developmental competence
    • Matoba S, Fair T, Lonergan P, (2010) Maturation, fertilisation and culture of bovine oocytes and embryos in an individually identifiable manner: a tool for studying oocyte developmental competence. Reprod Fertil Dev 22: 839-851.
    • (2010) Reprod Fertil Dev , vol.22 , pp. 839-851
    • Matoba, S.1    Fair, T.2    Lonergan, P.3
  • 10
    • 0033953292 scopus 로고    scopus 로고
    • New method for culture of zona-included or zona-free embryos: the Well of the Well (WOW) system
    • Vajta G, Peura TT, Holm P, Páldi A, Greve T, et al. (2000) New method for culture of zona-included or zona-free embryos: the Well of the Well (WOW) system. Mol Reprod Dev 55: 256-264.
    • (2000) Mol Reprod Dev , vol.55 , pp. 256-264
    • Vajta, G.1    Peura, T.T.2    Holm, P.3    Páldi, A.4    Greve, T.5
  • 11
    • 78649944478 scopus 로고    scopus 로고
    • Time-lapse cinematography-compatible polystyrene-based microwell culture system: a novel tool for tracking the development of individual bovine embryos
    • Sugimura S, Akai T, Somfai T, Hirayama M, Aikawa Y, et al. (2010) Time-lapse cinematography-compatible polystyrene-based microwell culture system: a novel tool for tracking the development of individual bovine embryos. Biol Reprod 83: 970-978.
    • (2010) Biol Reprod , vol.83 , pp. 970-978
    • Sugimura, S.1    Akai, T.2    Somfai, T.3    Hirayama, M.4    Aikawa, Y.5
  • 12
    • 77957938684 scopus 로고    scopus 로고
    • Non-invasive imaging of human embryos before embryonic genome activation predicts development to the blastocyst stage
    • Wong CC, Loewke KE, Bossert NL, Behr B, De Jonge CJ, et al. (2010) Non-invasive imaging of human embryos before embryonic genome activation predicts development to the blastocyst stage. Nat Biotechnol 28: 1115-1121.
    • (2010) Nat Biotechnol , vol.28 , pp. 1115-1121
    • Wong, C.C.1    Loewke, K.E.2    Bossert, N.L.3    Behr, B.4    de Jonge, C.J.5
  • 13
    • 0030875364 scopus 로고    scopus 로고
    • Embryo morphology or cleavage stage: how to select the best embryos for transfer after in-vitro fertilization
    • Ziebe S, Petersen K, Lindenberg S, Andersen AG, Gabrielsen A, et al. (1997) Embryo morphology or cleavage stage: how to select the best embryos for transfer after in-vitro fertilization. Hum Reprod 12: 1545-1549.
    • (1997) Hum Reprod , vol.12 , pp. 1545-1549
    • Ziebe, S.1    Petersen, K.2    Lindenberg, S.3    Andersen, A.G.4    Gabrielsen, A.5
  • 14
    • 0030881271 scopus 로고    scopus 로고
    • Early cleavage of in-vitro fertilized human embryos to the 2-cell stage: a novel indicator of embryo quality and viability
    • Shoukir Y, Campana A, Farley T, Sakkas D, (1997) Early cleavage of in-vitro fertilized human embryos to the 2-cell stage: a novel indicator of embryo quality and viability. Hum Reprod 12: 1531-1536.
    • (1997) Hum Reprod , vol.12 , pp. 1531-1536
    • Shoukir, Y.1    Campana, A.2    Farley, T.3    Sakkas, D.4
  • 15
    • 0036214876 scopus 로고    scopus 로고
    • Kinetics of early in vitro development of bovine in vivo- and in vitro-derived zygotes produced and/or cultured in chemically defined or serum-containing media
    • Holm P, Booth PJ, Callesen H, (2002) Kinetics of early in vitro development of bovine in vivo- and in vitro-derived zygotes produced and/or cultured in chemically defined or serum-containing media. Reproduction 123: 553-565.
    • (2002) Reproduction , vol.123 , pp. 553-565
    • Holm, P.1    Booth, P.J.2    Callesen, H.3
  • 16
    • 0032883693 scopus 로고    scopus 로고
    • Effect of time interval from insemination to first cleavage on the developmental characteristics, sex ratio and pregnancy rate after transfer of bovine embryos
    • Lonergan P, Khatir H, Piumi F, Rieger D, Humblot P, et al. (1999) Effect of time interval from insemination to first cleavage on the developmental characteristics, sex ratio and pregnancy rate after transfer of bovine embryos. J Reprod Fertil 117: 159-167.
    • (1999) J Reprod Fertil , vol.117 , pp. 159-167
    • Lonergan, P.1    Khatir, H.2    Piumi, F.3    Rieger, D.4    Humblot, P.5
  • 17
    • 0035417246 scopus 로고    scopus 로고
    • Oxygen consumption of single bovine embryos probed by scanning electrochemical microscopy
    • Shiku H, Shiraishi T, Ohya H, Matsue T, Abe H, et al. (2001) Oxygen consumption of single bovine embryos probed by scanning electrochemical microscopy. Anal Chem 73: 3751-3758.
    • (2001) Anal Chem , vol.73 , pp. 3751-3758
    • Shiku, H.1    Shiraishi, T.2    Ohya, H.3    Matsue, T.4    Abe, H.5
  • 18
    • 84856752550 scopus 로고    scopus 로고
    • Follicular growth-stimulated cows provide favorable oocytes for producing cloned embryos
    • Sugimura S, Kobayashi S, Hashiyada, Ohtake M, Kaneda M, et al. (2012) Follicular growth-stimulated cows provide favorable oocytes for producing cloned embryos. Cell Reprogram 14: 29-37.
    • (2012) Cell Reprogram , vol.14 , pp. 29-37
    • Sugimura, S.1    Kobayashi, S.2    Hashiyada3    Ohtake, M.4    Kaneda, M.5
  • 19
    • 77955155073 scopus 로고    scopus 로고
    • Anomalous oxygen consumption in porcine somatic cell nuclear transfer embryos
    • Sugimura S, Yokoo M, Yamanaka K, Kawahara M, Moriyasu S, et al. (2010) Anomalous oxygen consumption in porcine somatic cell nuclear transfer embryos. Cell Reprogram 12: 463-474.
    • (2010) Cell Reprogram , vol.12 , pp. 463-474
    • Sugimura, S.1    Yokoo, M.2    Yamanaka, K.3    Kawahara, M.4    Moriyasu, S.5
  • 20
    • 33846556941 scopus 로고    scopus 로고
    • Investigation of respiration of individual bovine embryos produced in vivo and in vitro and correlation with viability following transfer
    • Lopes AS, Madsen SE, Ramsing NB, Løvendahl P, Greve T, et al. (2007) Investigation of respiration of individual bovine embryos produced in vivo and in vitro and correlation with viability following transfer. Hum Reprod 22: 558-566.
    • (2007) Hum Reprod , vol.22 , pp. 558-566
    • Lopes, A.S.1    Madsen, S.E.2    Ramsing, N.B.3    Løvendahl, P.4    Greve, T.5
  • 21
    • 43249117811 scopus 로고    scopus 로고
    • The efficiency of embryo production by ovum pick-up and in vitro fertilization in cattle
    • Imai K, Tagawa M, Yoshioka H, Matoba S, Narita M, et al. (2006) The efficiency of embryo production by ovum pick-up and in vitro fertilization in cattle. J Reprod Dev 52: 19-29.
    • (2006) J Reprod Dev , vol.52 , pp. 19-29
    • Imai, K.1    Tagawa, M.2    Yoshioka, H.3    Matoba, S.4    Narita, M.5
  • 22
    • 0016642448 scopus 로고
    • Capacitation of rabbit spermatozoa in vitro
    • Brackett BG, Oliphant G, (1975) Capacitation of rabbit spermatozoa in vitro. Biol Reprod 12: 260-274.
    • (1975) Biol Reprod , vol.12 , pp. 260-274
    • Brackett, B.G.1    Oliphant, G.2
  • 24
    • 77952608463 scopus 로고    scopus 로고
    • Relationship between the length of cell cycles, cleavage pattern and developmental competence in bovine embryos generated by in vitro fertilization or parthenogenesis
    • Somfai T, Inaba Y, Aikawa Y, Ohtake M, Kobayashi S, et al. (2010) Relationship between the length of cell cycles, cleavage pattern and developmental competence in bovine embryos generated by in vitro fertilization or parthenogenesis. J Reprod Dev 56: 200-207.
    • (2010) J Reprod Dev , vol.56 , pp. 200-207
    • Somfai, T.1    Inaba, Y.2    Aikawa, Y.3    Ohtake, M.4    Kobayashi, S.5
  • 25
    • 85006307269 scopus 로고    scopus 로고
    • Simplified technique for differential staining of inner cell mass and trophectoderm cells of mouse and bovine blastocysts
    • Thouas GA, Korfiatis NA, French AJ, Jones GM, Trounson AO, (2001) Simplified technique for differential staining of inner cell mass and trophectoderm cells of mouse and bovine blastocysts. Reprod Biomed Online 3: 25-29.
    • (2001) Reprod Biomed Online , vol.3 , pp. 25-29
    • Thouas, G.A.1    Korfiatis, N.A.2    French, A.J.3    Jones, G.M.4    Trounson, A.O.5
  • 26
    • 68149157323 scopus 로고    scopus 로고
    • Difference in sensitivity to culture condition between in vitro fertilized and somatic cell nuclear transfer embryos in pigs
    • Yamanaka K, Sugimura S, Wakai T, Kawahara M, Sato E, (2009) Difference in sensitivity to culture condition between in vitro fertilized and somatic cell nuclear transfer embryos in pigs. J Reprod Dev 55: 299-304.
    • (2009) J Reprod Dev , vol.55 , pp. 299-304
    • Yamanaka, K.1    Sugimura, S.2    Wakai, T.3    Kawahara, M.4    Sato, E.5
  • 27
    • 30744479219 scopus 로고    scopus 로고
    • Transition of the pregnancy rate of bisected bovine embryos after co-transfer with trophoblastic vesicles prepared from in vivo-cultured in vitro-fertilized embryos
    • Hashiyada Y, Okada M, Imai K, (2005) Transition of the pregnancy rate of bisected bovine embryos after co-transfer with trophoblastic vesicles prepared from in vivo-cultured in vitro-fertilized embryos. J Reprod Dev 51: 749-756.
    • (2005) J Reprod Dev , vol.51 , pp. 749-756
    • Hashiyada, Y.1    Okada, M.2    Imai, K.3
  • 29
    • 48249116145 scopus 로고    scopus 로고
    • in ROC plotting and AUC calculation transferability test
    • Version 1.3-7 [computer program] (Institute for Geoecology, Potsdam University, Potsdam, Germany)
    • Schröder B, (2004) in ROC plotting and AUC calculation transferability test. Version 1.3-7 [computer program] (Institute for Geoecology, Potsdam University, Potsdam, Germany).
    • (2004)
    • Schröder, B.1
  • 30
    • 0037629003 scopus 로고    scopus 로고
    • Aspects of the molecular regulation of early mammalian development
    • Edwards RG, (2003) Aspects of the molecular regulation of early mammalian development. Reprod Biomed Online 6: 97-113.
    • (2003) Reprod Biomed Online , vol.6 , pp. 97-113
    • Edwards, R.G.1
  • 31
    • 0036180058 scopus 로고    scopus 로고
    • Time from insemination to first cleavage predicts developmental competence of human preimplantation embryos in vitro
    • Fenwick J, Platteau P, Murdoch AP, Herbert M, (2002) Time from insemination to first cleavage predicts developmental competence of human preimplantation embryos in vitro. Hum Reprod 17: 407-412.
    • (2002) Hum Reprod , vol.17 , pp. 407-412
    • Fenwick, J.1    Platteau, P.2    Murdoch, A.P.3    Herbert, M.4
  • 32
    • 33847729926 scopus 로고    scopus 로고
    • Embryo morphology and development are dependent on the chromosomal complement
    • Magli MC, Gianaroli L, Ferraretti AP, Lappi M, Ruberti A, et al. (2007) Embryo morphology and development are dependent on the chromosomal complement. Fertil Steril 87: 534-541.
    • (2007) Fertil Steril , vol.87 , pp. 534-541
    • Magli, M.C.1    Gianaroli, L.2    Ferraretti, A.P.3    Lappi, M.4    Ruberti, A.5
  • 34
    • 0023567263 scopus 로고
    • Interferon-like sequence of ovine trophoblast protein secreted by embryonic trophectoderm
    • Imakawa K, Anthony RV, Kazemi M, Marotti KR, Polites HG, Roberts RM, (1987) Interferon-like sequence of ovine trophoblast protein secreted by embryonic trophectoderm. Nature 330: 377-379.
    • (1987) Nature , vol.330 , pp. 377-379
    • Imakawa, K.1    Anthony, R.V.2    Kazemi, M.3    Marotti, K.R.4    Polites, H.G.5    Roberts, R.M.6
  • 35
    • 0029971477 scopus 로고    scopus 로고
    • Interferon-tau and pregnancy
    • Roberts RM, (1996) Interferon-tau and pregnancy. J Interferon Cytokine Res 16: 271-273.
    • (1996) J Interferon Cytokine Res , vol.16 , pp. 271-273
    • Roberts, R.M.1
  • 37
    • 66149083913 scopus 로고    scopus 로고
    • Induction of endogenous interferon tau gene transcription by CDX2 and high acetylation in bovine nontrophoblast cells
    • Sakurai T, Sakamoto A, Muroi Y, Bai H, Nagaoka K, et al. (2009) Induction of endogenous interferon tau gene transcription by CDX2 and high acetylation in bovine nontrophoblast cells. Biol Reprod 80: 1223-1231.
    • (2009) Biol Reprod , vol.80 , pp. 1223-1231
    • Sakurai, T.1    Sakamoto, A.2    Muroi, Y.3    Bai, H.4    Nagaoka, K.5
  • 38
    • 0034975204 scopus 로고    scopus 로고
    • Evaluation of gestational deficiencies in cloned sheep fetuses and placentae
    • De Sousa PA, King T, Harkness L, Young LE, Walker SK, et al. (2001) Evaluation of gestational deficiencies in cloned sheep fetuses and placentae. Biol Reprod 65: 23-30.
    • (2001) Biol Reprod , vol.65 , pp. 23-30
    • de Sousa, P.A.1    King, T.2    Harkness, L.3    Young, L.E.4    Walker, S.K.5
  • 39
    • 0033150614 scopus 로고    scopus 로고
    • Clinical and pathologic features of cloned transgenic calves and fetuses (13 case studies)
    • Hill JR, Roussel AJ, Cibelli JB, Edwards JF, Hooper NL, et al. (1999) Clinical and pathologic features of cloned transgenic calves and fetuses (13 case studies). Theriogenology 51: 1451-1465.
    • (1999) Theriogenology , vol.51 , pp. 1451-1465
    • Hill, J.R.1    Roussel, A.J.2    Cibelli, J.B.3    Edwards, J.F.4    Hooper, N.L.5
  • 40
    • 33746345349 scopus 로고    scopus 로고
    • Predictors of embryo fragmentation and outcome after fragment removal in in vitro fertilization
    • Keltz MD, Skorupski JC, Bradley K, Stein D, (2006) Predictors of embryo fragmentation and outcome after fragment removal in in vitro fertilization. Fertil Steril 86: 321-324.
    • (2006) Fertil Steril , vol.86 , pp. 321-324
    • Keltz, M.D.1    Skorupski, J.C.2    Bradley, K.3    Stein, D.4
  • 41
    • 0037330333 scopus 로고    scopus 로고
    • Up-regulation of aldose reductase by the substrate, methylglyoxal
    • Yabe-Nishimura C, Nishinaka T, Iwata K, Seo HG, (2003) Up-regulation of aldose reductase by the substrate, methylglyoxal. Chem Biol Interact 143-144: 317-323.
    • (2003) Chem Biol Interact , vol.143-144 , pp. 317-323
    • Yabe-Nishimura, C.1    Nishinaka, T.2    Iwata, K.3    Seo, H.G.4
  • 42
    • 27644495532 scopus 로고    scopus 로고
    • Proteomic analysis of cellular response to osmotic stress in thick ascending limb of Henle's loop (TALH) cells
    • Dihazi H, Asif AR, Agarwal NK, Doncheva Y, Muller GA, (2005) Proteomic analysis of cellular response to osmotic stress in thick ascending limb of Henle's loop (TALH) cells. Mol Cell Proteomics 4: 1445-1458.
    • (2005) Mol Cell Proteomics , vol.4 , pp. 1445-1458
    • Dihazi, H.1    Asif, A.R.2    Agarwal, N.K.3    Doncheva, Y.4    Muller, G.A.5
  • 43
    • 0242298741 scopus 로고    scopus 로고
    • Cell cycle duration at the time of maternal zygotic transition for in vitro produced bovine embryos: effect of oxygen tension and transcription inhibition
    • Lequarre AS, Marchandise J, Moreau B, Massip A, Donnay I, (2003) Cell cycle duration at the time of maternal zygotic transition for in vitro produced bovine embryos: effect of oxygen tension and transcription inhibition. Biol Reprod 69: 1707-1713.
    • (2003) Biol Reprod , vol.69 , pp. 1707-1713
    • Lequarre, A.S.1    Marchandise, J.2    Moreau, B.3    Massip, A.4    Donnay, I.5
  • 44
    • 0028085002 scopus 로고
    • Analysis of polarity of bovine and rabbit embryos by scanning electron microscopy
    • Koyama H, Suzuki H, Yang X, Jiang S, Foote RH, (1994) Analysis of polarity of bovine and rabbit embryos by scanning electron microscopy. Biol Reprod 50: 163-170.
    • (1994) Biol Reprod , vol.50 , pp. 163-170
    • Koyama, H.1    Suzuki, H.2    Yang, X.3    Jiang, S.4    Foote, R.H.5
  • 45
    • 79952177478 scopus 로고    scopus 로고
    • Impaired mitochondrial function in the preimplantation embryo perturbs fetal and placental development in the mouse
    • Wakefield SL, Lane M, Mitchell M, (2011) Impaired mitochondrial function in the preimplantation embryo perturbs fetal and placental development in the mouse. Biol Reprod 84: 572-580.
    • (2011) Biol Reprod , vol.84 , pp. 572-580
    • Wakefield, S.L.1    Lane, M.2    Mitchell, M.3
  • 46
    • 0035134738 scopus 로고    scopus 로고
    • Epigenetic change in IGF2R is associated with fetal overgrowth after sheep embryo culture
    • Young LE, Fernandes K, McEvoy TG, Butterwith SC, Gutierrez CG, et al. (2001) Epigenetic change in IGF2R is associated with fetal overgrowth after sheep embryo culture. Nat Genet 27: 153-154.
    • (2001) Nat Genet , vol.27 , pp. 153-154
    • Young, L.E.1    Fernandes, K.2    McEvoy, T.G.3    Butterwith, S.C.4    Gutierrez, C.G.5


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