@book{7628,
	author = {Ratnam, S. Shan.(editor)},
	title = {In vitro fertilisation and other alternative methods of conception : the proceedings of the 12th World Congress of Fertility and Sterility, Sinapore, October, 1986},
	publisher = {Parthonon,},
	year = {1987.},
	address = {USA :},
	url = {https://books.google.com.pk/books?id=JHwoAQAAMAAJ&q=0940813173&dq=0940813173&hl=en&sa=X&redir_esc=y}
}