The Billroth I and Billroth II operations:  comparison of results six to ten years after operation for gastric, duodenal, and gastrojejunal ulcers.
D005743:Gastrectomy; D005763:Gastroenterostomy; D006801:Humans; D010437:Peptic Ulcer; D013276:Stomach Ulcer; D014456:Ulcer
GASTRECTOMY