David T. Y. Liu Lachelin, Gillian C. L. creator text London Butterworths 1989 monographic 216p. : Gyneacology WP 140 LIU 1989 9780407005808 https://books.google.com.pk/books?id=C-FsAAAAMAAJ&q=9780407005808&dq=9780407005808&hl=en&sa=X&ved=2ahUKEwihs97avdP0AhWCgVwKHRe1DuEQ6AF6BAgCEAI https://books.google.com.pk/books?id=C-FsAAAAMAAJ&q=9780407005808&dq=9780407005808&hl=en&sa=X&ved=2ahUKEwihs97avdP0AhWCgVwKHRe1DuEQ6AF6BAgCEAI 20260128043241.0