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Gong XD, Li JC, Leung GP, Cheung KH, Wong PY.Gong XD, et al. Among authors: cheung kh.Biol Reprod. 2002 Jul;67(1):46-54. doi: 10.1095/biolreprod67.1.46.Biol Reprod. 2002.PMID: 12079998