BRITISH 300.532 28th British Congress of Obstetrics and Gynaecology Harrogate, UK 30 June-3 July 1998 : book of abstracts / Royal College of Obstetricians and Gynaecologists president: Sir Naren Patel ; Congress Org. Comm, chairman: J. Drife ; Sci. Progr. chairman: J.J. Walker ,• org. by the Leeds Obstetricians and Gynaecologicists. -Oxford : Blackwell Sience, 1998. - XI, 146