@book{1556,
	author = {Davidson, Stanley,},
	title = {Davidson's principles and practice of medicine.},
	publisher = {Churchill Livingstone,},
	year = {c2006.},
	address = {New Dehli :},
	edition = {20th ed. },
	note = {"50th anniversary ed."--Front cover.},
	url = {http://lib.ewubd.edu/vufind/Record/6843/TOC}
}