Koyio, L., van der Sanden, W., van der Ven, A., Mulder, J., Creugers, N., Merkx, M. and Frencken, J. (2013) “A community-based oral health promotion model for HIV patients in Nairobi, East District in Kenya: a study protocol”, Journal of Public Health Research, 2(1), p. e5. doi: 10.4081/jphr.2013.e5.