[RECURRENT ULCER IN 30 YEARS OF SURGERY FOR PEPTIC ULCER].
D006801:Humans; D010437:Peptic Ulcer; D013514:Surgical Procedures, Operative; D014456:Ulcer
PEPTIC ULCER; SURGERY, OPERATIVE
LA 'ULCERA RECURRENTE EN 30 A NOS DE CIRUG'IA DE LA 'ULCERA GASTRODUODENAL.