Bergsma, Daniel, (ed.) The Clinical delineation of birth defects.Part 13 : G.I tract including liver and pancreas / - New York: Williams & Wilkins, 1972 - 199 p.: ill. ; 27 cm - Birth defects : original article series ; vol. viii . Acc. No. 04332 Subjects--Topical Terms: Gastrointestinal abnormalities - Congresses