de Castro L, Sy PA, Leong TC. Poverty and Indigenous Peoples. In: Chadwick R, ten Have H, Meslin EM SAGE Handbook of Health Care Ethics. London: SAGE ; 2011. pp. 289-305.
2009
Schuklenk U, Kottow M, Sy PA. Developing World Challenges. In: Kuhse H, Singer P A Companion to Bioethics. 2nd ed. London: Wiley-Blackwell ; 2009. pp. 404-416.
2008
Schuklenk U, Sy PA. Health: Developing World Issues. In: Ryberg J, Petersen TS, Wolf C New Waves in Applied Ethics. Palgrave Macmillan ; 2008.