@book{7309,
	author = {Kravis, Thomas Clarke.(Editor)},
	title = {Emergency Medicine : a comprehensive review},
	publisher = {Raven Press ,},
	year = {1993 .},
	address = {New York :},
	edition = {3rd ed.},
	url = {https://books.google.com.pk/books?id=-LSeAQAACAAJ&dq=0781700450&hl=en&sa=X&redir_esc=y}
}