@book{5934, author = { Dewhurst, John}, title = { Dewhurst's textbook of obstetrics and gynaecology for postgraduates}, publisher = {Blackwell Science ,}, year = {1995 .}, address = {London :}, edition = {5th ed.}, url = {https://books.google.com.pk/books?id=rn9jPwAACAAJ&dq=0632030992&hl=en&sa=X&redir_esc=y} }