title: [Acute cholecystitis in the middle aged and elderly].
mesh_terms: D000208:Acute Disease; D000367:Age Factors; D000368:Aged; D002764:Cholecystitis / Q000453:epidemiology*; D006801:Humans; D008875:Middle Aged
vernacular_title: Ostryĭ kholetsistit v pozhilom i starcheskom vozraste.