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Baird DT, Brown A, Critchley HO, Williams AR, Lin S, Cheng L.Baird DT, et al. Among authors: cheng l.Hum Reprod. 2003 Jan;18(1):61-8. doi: 10.1093/humrep/deg022.Hum Reprod. 2003.PMID: 12525442
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Narvekar N, Glasier A, Dada K, Van der Spuy Z, Ho PC, Cheng L, Baird DT.Narvekar N, et al. Among authors: cheng l.Fertil Steril. 2006 Oct;86(4):819-24. doi: 10.1016/j.fertnstert.2006.02.115.Fertil Steril. 2006.PMID: 17027354Free article.Clinical Trial.
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