Authors: MATSUKURA N ONDA M TOKUNAGA A KATO S YOSHIYUKI T HASEGAWA H YAMASHITA K TOMTITCHONG P HAYASHI A

Citation: N. Matsukura et al., ROLE OF HELICOBACTER-PYLORI INFECTION IN PERFORATION OF PEPTIC-ULCER - AN AGE-MATCHED AND GENDER-MATCHED CASE-CONTROL STUDY, Journal of clinical gastroenterology, 25, 1997, pp. 235-239