Full text: Available Index: IMSEAR (South-East Asia) Main subject: Prognosis / Ranitidine / Recurrence / Seasons / Female / Humans / Male / Case-Control Studies / Incidence / Cohort Studies Type of study: Etiology study / Incidence study / Observational study / Prognostic study / Risk factors Country/Region as subject: Asia Language: English Year: 1998 Type: Article