Houle, B., Clark, S. J., Gómez-Olivé, F. X., Kahn, K., & Tollman, S. M. (2014). The Unfolding Counter-Transition in Rural South Africa: Mortality and Cause of Death, 1994–2009. Public Library of Science.

Houle, Brian, Samuel J. Clark, F. Xavier Gómez-Olivé, Kathleen Kahn, and Stephen M. Tollman. The Unfolding Counter-Transition in Rural South Africa: Mortality and Cause of Death, 1994–2009. Public Library of Science, 2014.

Houle, Brian, et al. The Unfolding Counter-Transition in Rural South Africa: Mortality and Cause of Death, 1994–2009. Public Library of Science, 2014.