1/ PATER NAREN 300,532 BRITISH 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 G aecologicists.