@book{3268,
	author = {Hoffbrand, A. V. and Pettit, J. E.},
	title = {Essential Haematology},
	publisher = {Blackwell Scientific,},
	year = {1993.},
	address = {Oxford :},
	edition = {3rd ed.},
	url = {https://books.google.com.pk/books?id=9Gq7QgAACAAJ&dq=essential+haematology&hl=en&sa=X&redir_esc=y}
}