[Study of the seasonal and periodic appearance of pain in ulcerous disease].
D006801:Humans; D010146:Pain; D010437:Peptic Ulcer; D010507:Periodicity; D012621:Seasons
PEPTIC ULCER/manifestations; PERIODICITY
Consideraţii cu privire la apariţia periodica şi sezoniera a durerii în boala ulceroasa.