[On the question of the Billroth I operation in duodenal ulcer. Postoperative examinations in 50 cases].
D004381:Duodenal Ulcer; D005743:Gastrectomy; D005763:Gastroenterostomy; D006801:Humans; D011178:Postgastrectomy Syndromes
DUODENAL ULCER; GASTRECTOMY; POSTGASTRECTOMY SYNDROMES