1. WHO: Constitution of the World Health Organization, New York, 1946. https://www.who.int/governance/eb/who_constitution_en.pdf. signed on 22 July 1946 by the representatives of 61 States (Official Records of the World Health Organization, no. 2, p. 100) and entered into force on 7 April 1948
2. WHO: International Classification of Diseases (ICD). WHO, Geneva (2011). available at http://www.who.int/classifications/icd/en/
3. WHO: History of the development of the ICD. WHO, Geneva (2011). available at http://www.who.int/classifications/icd/en/HistoryOfICD.pdf
4. Lalonde, M.: A New Perspective on the Health of Canadians: A Working Document. Government of Canada, Ottawa (1974). available at https://nccdh.ca/resources/entry/new-perspective-on-the-health-of-canadians
5. Winslow, C.E.A.: The untilled field of public health. Mod. Med. 2, 183–191 (1920)