@book{1052,
	author = {Davidson, Stanley.},
	title = {Davidson's principles and practice of medicine.},
	publisher = {Elsevier ,},
	year = {2002 .},
	address = {Edinburgh :},
	edition = {19th ed. },
	url = {https://books.google.com.pk/books?id=S_2ZzgEACAAJ&dq=0443070350&hl=en&sa=X&redir_esc=y}
}