1. The epidemiology of gallbladder disease: observations in the Framingham study;Friedman, G.D.; Kannel, W.B.; Dawbar, T.R.;J Chronic Dis,1966
2. Collaborative Drug Surveillance Program. Oral contraceptive and venous thromboembolic disease, surgically confirmed gallbladder disease, and breast tumours;Boston;Lancet,1973
3. In the quoted reports oestrogen and progesterone were found to inhibit water transport across the wall of gall bladders from female guinea embolism, and breast tumours in relation to postmenopausal estrogen therapy;N Engl J Med,1974
4. Biliary lipids bile acids, and gallbladder function in the human female;Kern, F.; Everson, G.T.; DeMark, B.;J Clin Invest,1981
5. Effect of synthetic oestrogens and progestagens in contraceptives on bile lipid composition;Down, R.H.L.; Whiting, M.S.; Watts, J.M.;Gut,1983