[PEPTIC ULCER IN CHILDREN].
D002648:Child; D004381:Duodenal Ulcer; D009393:Nephritis; D010437:Peptic Ulcer; D010439:Peptic Ulcer Perforation; D013514:Surgical Procedures, Operative
CHILD; DUODENAL ULCER; NEPHRITIS; PEPTIC ULCER PERFORATION; SURGERY, OPERATIVE
WRZ'OD TRAWIENNY U DZIECI.