1. Brülde, B. 2000a. On How to Define the Concept of Health: A Loose Comparative Approach. Medicine, Health Care and Philosophy 3 (3): 305–308.
2. Brülde, B. 2000b. More on the Looser Comparative Approach to Defining ‘Health’: A Reply to Nordenfelt’s Reply. Medicine, Health Care and Philosophy 3 (3): 313–315.
3. Brülde, B., and Tengland, P.-A. 2003. Hälsa och Sjukdom: En begreppslig utredning [Health and Illness: A Conceptual Investigation]. Lund: Studentlitteratur, 2003.
4. Callahan, D. 1973. The WHO Definition of ‘Health’. The Concept of Health. The Hasting Center Studies 1 (3): 77–87.
5. Cohen, G.A. 2011. Currency of Egalitarian Justice. In On the Currency of Egalitarian Justice, and Other Essays in Political Philosophy, G.A. Cohen, 3-43. Princeton, N.J.: Princeton University Press.