Clark, S. J., Kahn, K., Houle, B., Arteche, A., Collinson, M. A., Tollman, S. M., & Stein, A. (2013). Young Children's Probability of Dying Before and After Their Mother's Death: A Rural South African Population-Based Surveillance Study. Public Library of Science.

Clark, Samuel J., Kathleen Kahn, Brian Houle, Adriane Arteche, Mark A. Collinson, Stephen M. Tollman, i Alan Stein. Young Children's Probability of Dying Before and After Their Mother's Death: A Rural South African Population-Based Surveillance Study. Public Library of Science, 2013.

Clark, Samuel J., et al. Young Children's Probability of Dying Before and After Their Mother's Death: A Rural South African Population-Based Surveillance Study. Public Library of Science, 2013.