@book{88607,
	author = {Welch, Claude E.},
	title = {Polypoid lesions of the gastrointestinal tract},
	publisher = {W.B. Saunders Company},
	year = {1964},
	volume = {2},
	series = {Major problems in clinical surgery},
	address = {Philadelphia},
	note = {Acervo Doutor Luis Fernando P. Botelho de Sousa}
}