title: [Diagnosis and surgical treatment of chronic calculous cholecystitis in late middle-aged patients].
mesh_terms: D000328:Adult; D000367:Age Factors; D000368:Aged; D002764:Cholecystitis / Q000601:surgery*; D002769:Cholelithiasis / Q000601:surgery*; D002908:Chronic Disease; D006801:Humans; D008875:Middle Aged
vernacular_title: Diagnostika i operativnoe lechenie khronicheskogo kal'kuleznogo kholetsistita u bol'nykh pozhilogo vozrasta.