@book{2920,
	author = {Keen, G.(Editor)},
	title = {Operative surgery and management },
	publisher = {Butterworth-Heinemann ,},
	year = {1994 .},
	address = {Oxford :},
	edition = {3rd ed.},
	url = {https://books.google.com.pk/books?id=vq-PQgAACAAJ&dq=0750613777&hl=en&sa=X&redir_esc=y}
}