@book{438,
	author = {Walker, Brian R.,},
	title = {Davidson's principles and practice of medicine },
	publisher = {Elsevier ,;},
	year = {2014.},
	address = {India ::},
	edition = {22nd ed.},
	note = {"Study smart with student consult"--Cover.},
	url = {https://books.google.com.pk/books/about/Davidson_s_Principles_and_Practice_of_Me.html?id=W-5kAgAAQBAJ&source=kp_book_description&redir_esc=y}
}