[Venezuelan Society of Gastroenterology. 25th annual meeting. Abstracts of papers. Puerto la Cruz - 1978].
D003226:Congresses as Topic; D005767:Gastrointestinal Diseases; D006801:Humans; D012955:Societies, Medical; D014687:Venezuela
XXV Reunion anual. Resumenes de trabajos libres. Puerto la Cruz - 1978.