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Khan I, Staessen C, Van den Abbeel E, Camus M, Wisanto A, Smitz J, Devroey P, Van Steirteghem AC.Khan I, et al. Among authors: devroey p.Hum Reprod. 1989 Nov;4(8):921-6. doi: 10.1093/oxfordjournals.humrep.a137013.Hum Reprod. 1989.PMID: 2515208
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