Herrera Ballester, A [Cholecystectomy: a choice technique in biliary microlithiasis]. [electronic resource] - Anales de medicina interna (Madrid, Spain : 1984) Mar 1995 - 111-4 p. digital Publication Type: Comparative Study; Journal Article ISSN: 0212-7199 Subjects--Topical Terms: Bile--chemistryCholecystectomyCholecystitis--diagnosisCholecystographyCholelithiasis--diagnosisCrystallizationDrainageDuodenumFemaleFollow-Up StudiesHumansMaleMiddle AgedTime FactorsUltrasonography