@book{1542,
	author = { Gray, Henry. and Drake, Richard L.},
	title = {Gray's atlas of anatomy },
	publisher = {Churchill Livingstone,},
	year = {2008.},
	address = {Philadelphia :},
	edition = {40th ed.},
	url = {https://books.google.com.pk/books?id=kvhkPQAACAAJ&dq=Gray%27s+anatomy+:+the+anatomical+basis+of+clinical+practice&hl=en&sa=X&redir_esc=y}
}