[On 2 unusual aspects of perforation of the gallbladder].
D000368:Aged; D001658:Biliary Fistula / Q000209:etiology*; D002769:Cholelithiasis / Q000150:complications*; D003092:Colitis / Q000150:complications*; D005260:Female; D005704:Gallbladder; D006801:Humans; D007412:Intestinal Fistula / Q000209:etiology*
Su due peculiari quadri di perforazione della colecisti.