We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleHuman live birth and sperm-sex ratios compared.AuthorsGraffelman J; Fugger EF; Keyvanfar K; Schulman JDPublicationHuman reproduction (Oxford, England), 1999, Vol 14, Issue 11, p2917ISSN0268-1161Publication typearticleDOI10.1093/humrep/14.11.2917