title: [Spring and autumn disposition to gastroduodenal ulcer? (author's transl)].
mesh_terms: D004381:Duodenal Ulcer / Q000453:epidemiology; D005773:Gastroscopy; D005860:Germany, West; D006801:Humans; D010437:Peptic Ulcer / Q000175:diagnosis / Q000453:epidemiology*; D012621:Seasons; D013276:Stomach Ulcer / Q000453:epidemiology
vernacular_title: Zur Frage der Frühjahrs- und Herbstdisposition des gastro duodenalen Ulkus.