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Beischer NA, Cookson T, Sheedy M, Wein P (August 1992). "Norethisterone and gestational diabetes". The Australian & New Zealand Journal of Obstetrics & Gynaecology. 32 (3): 233–8. doi:10.1111/j.1479-828X.1992.tb01954.x. PMID1445134.
van Haelst MM, Scambler PJ, Hennekam RC (December 2007). "Fraser syndrome: a clinical study of 59 cases and evaluation of diagnostic criteria". American Journal of Medical Genetics Part A. 143A (24): 3194–203. doi:10.1002/ajmg.a.31951. PMID18000968.
Linck D, Hayes MF (May 2002). "Clitoral cyst as a cause of ambiguous genitalia". Obstetrics and Gynecology. 99 (5 Pt 2): 963–6. doi:10.1016/S0029-7844(02)01967-1. PMID11975977.