28th British Congress of Obstetrics and Gynaecology. Harrogate, United Kingdom. 30 June-3 July 1998. Abstracts.
D005260:Female; D005831:Genital Diseases, Female; D006176:Gynecology; D006801:Humans; D009774:Obstetrics; D011247:Pregnancy; D011248:Pregnancy Complications