Jannot, Anne-Sophie, and Thomas V Perneger. “What Should Be the Basis for Compulsory and Optional Health Insurance Premiums? Opinions of Swiss Doctors”. Swiss Medical Weekly 144, no. 0506 (January 26, 2014): w13918. Accessed April 19, 2024. https://smw.ch/index.php/smw/article/view/1814.