[Situation and development of surgical treatment for duodenal ulcer with acute intestinal perforation in China].
Li
Shi-yong
SY
D013505:Digestive System Surgical Procedures; D004381:Duodenal Ulcer / Q000150:complications / Q000601:surgery*; D006801:Humans; D007416:Intestinal Perforation / Q000209:etiology / Q000601:surgery*