References
- Graham E A, Cole WH. Roentgenologic examination of the gallbladder: New method utilizing intravenous injection of tetrabromphenol phthal-ein. JAMA 1924; 82: 613–614
- de Lacey G, Gajjar B, Twomey B, Levi J, Cox AG. Should cholecystography or ultrasound be the primary investigation for gallbladder disease?. Lancet 1984; 1: 205–207
- Norrby S, Fagerberg G, Sjodahl R. Decreasing incidence of gallstone disease in a defined Swedish population. Scand J Gastroenterol 1986; 21: 158–162
- Cox DR. The analysis of binary data. Methuen & Co. Ltd, London 1970
- Press S J, Wilson S. Choosing between logistic regression and discriminant analysis. J Am Stat Assoc 1978; 73: 699–705
- Ahlberg J, Bergstrand L-O, Sahlin S. Changes in gallstone morbidity in a community with decreasing frequency of cholecystectomies. Acta Chir Scand 1984; 53–58, suppl 520
- Glambek I, Kvaale G, Arnesjö B, Söreide O. Prevalence of gallstones in a Norwegian population. Scand J Gastroenterol 1987; 22: 1089–1094
- Jörgensen T. Prevalence of gallstones in a Danish population. Am J Epidemiol 1987; 126: 912–921
- Janzon L, Aspelin P, Eriksson S, Hildell J, Trell E, Östberg H. Ultrasonographic screening for gallstone disease in middle-aged women. Scand J Gastroenterol 1985; 20: 706–710
- Grepco. Prevalence of gallstone disease in an Italian adult population. Am J Epidemiol 1984; 199: 796–805
- Råstam L, Berglund G, Isacsson S O, Rydén L. The Skaraborg hypertension project. Acta Med Scand 1986; 219: 243–248
- Falkenberg M. Diabetes mellitus: prevalence and local risk factors in a primary health care district. [Dissertation 2421, Linköping University, Lin-köping. 1987; 69–84
- Linden van der W, Lindelöv G. The familial occurrence of gallstone disease. Acta Genet Stat Med 1965; 15: 159–164
- Lindström CG. Frequency of gallstone disease in a well-defined Swedish population. A prospective necropsy study in Malmö. Scand J Gastroenterol 1977; 12: 341–346
- Torvik A, Höivik B. Gallstones in an autopsy series. Incidence, complications and correlations with carcinoma of the gallbladder. Acta Chir Scand 1960; 120: 168–174
- Newman H F, Northup J D. Theautopsy incidence of gallstones. Int Abstr Surg 1959; 109: 1–13
- Sastic J W, Glassman CI. Gallbladder disease in young women. Surg Gynecol Obstet 1982; 155: 209–211
- Bennion L J, Grundy SM. Risk factors for the devel-opement of cholelithiasis in man. N Engl J Med 1978; 299: 1221–1227
- Capocaccia L the Grepco group. Clinical symptoms and gallstone disease: lessons from a population study. Attili Epidemeology and prevention of gallstone disease., L Capocaccia, G Ricci, F Angelico, M Ange-Lico. MTP Press, Lancaster 1984; 153–157
- Ransohoff D F, Gracie W A, Wolfenson L B, Neu-Hauser D. Prophylactic cholecystectomy or expectant management for silent gallstones. Ann Intern Med 1983; 99: 199–204
- Fitzpatric G, Neutra R, Gilbert JP. Cost-effectiveness of cholecystectomy for silent gallstones. Costs, risks and benefits of surgery, J P Bunker, B A Barnes, F Mosteller. Oxford University Press, New York 1977; 246–261
- Gracie W A, Ransohoff DF. The silent gallstone: requiescat in pace. Controversies in surgery, J P Delaney, R L Vargo. W.B. Saunders, Philadelphia 1983; Vol. II.: 361–372