@book{2884,
	author = {James,  David K.(editor)},
	title = {High Risk Pregnancy: Management Options },
	publisher = {W.B Saunders,},
	year = {1999.},
	address = {London :},
	edition = {2nd ed.},
	url = {https://books.google.com.pk/books?id=yzSDYIpLxZEC&printsec=frontcover&dq=9780702022234&hl=en&sa=X&ved=2ahUKEwigr9nT3tP0AhVPLBoKHeViDmIQ6AF6BAgJEAI#v=onepage&q&f=false}
}