[PROBLEMS OF SURGICAL TREATMENT OF THE GASTRODUODENAL ULCER].
D004381:Duodenal Ulcer; D006801:Humans; D010437:Peptic Ulcer; D013276:Stomach Ulcer; D013514:Surgical Procedures, Operative
DUODENAL ULCER; STOMACH ULCER; SURGERY, OPERATIVE
PROBLEME DER CHIRURGISCHEN BEHANDLUNG DES MAGEN-ZWOELFFINGERDARMGESCHWUERS