@book{2101,
	author = { Williams,  j Alexander. },
	title = {Colour Atlas of Gastric Revision Operation/ j Alexander Williams },
	publisher = {Wolfe - Year Book;},
	year = {c1986.},
	address = {Chicago:},
	note = {Includes bibliographic references and index.},
	url = {https://www.amazon.com/Gastric-Revision-Operati-Surgical-Procedures/dp/0723410550}
}