title: Stone formation on silk suture after choledochoduodenostomy.
mesh_terms: D000368:Aged; D003135:Common Bile Duct / Q000601:surgery; D004386:Duodenum / Q000601:surgery; D005260:Female; D042882:Gallstones / Q000209:etiology*; D006801:Humans; D008875:Middle Aged; D011183:Postoperative Complications; D013537:Sutures