Bleeding duodenal uicer: study of one hundred sixty-two patients, with particular reference to pain, seasonal incidence, and blood groups.
D001789:Blood Group Antigens; D004386:Duodenum; D006470:Hemorrhage; D006801:Humans; D015994:Incidence; D010146:Pain; D010438:Peptic Ulcer Hemorrhage; D012621:Seasons
D001789:Blood Group Antigens
PEPTIC ULCER HEMORRHAGE