A population study on the prevalence of gallstone disease: The sirmione study
Luigi Barbara, Claudia Sama, Antonio Maria Morselli Labate, Francesco Taroni, Anna Giulia Rusticali, Davide Festi, Carlo Sapio, Enrico Roda, Claudio Banterle, Armando Puci, Franco Formentini, Silvia Colasanti, Francesco Nardin – 1 September 1987 – The prevalence of gallstone disease (cholelithiasis and previous cholecystectomy for gallstones) in the population of the town of Sirmione, Italy, examined by ultrasonography, was 6.7% in men and 14.6% in women, ranging from 18 to 65 yr of age (overall prevalence = 11%).