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Billig H, Markström E, Svensson EC, Shao R, Friberg A.Billig H, et al.Ernst Schering Res Found Workshop. 2002;(41):23-41. doi: 10.1007/978-3-662-04960-0_3.Ernst Schering Res Found Workshop. 2002.PMID: 12402538Review.No abstract available.
Shao R, Markström E, Friberg PA, Johansson M, Billig H.Shao R, et al. Among authors: billig h.Biol Reprod. 2003 Mar;68(3):914-21. doi: 10.1095/biolreprod.102.009035.Biol Reprod. 2003.PMID: 12604642