Kuznetsov, V D [Surgical treatment of acute cholecystitis in middle-aged and elderly patients]. [electronic resource] - Klinicheskaia khirurgiia Apr 1981 - 66-7 p. digital Publication Type: Journal Article Subjects--Topical Terms: Acute DiseaseAgedCholecystitis--surgeryCholelithiasis--surgeryHumansMethodsMiddle Aged