Williams, D. R., Herman, A., Stein, D. J., Heeringa, S. G., Jackson, P. B., Moomal, H., & Kessler, R. C. (2007). Twelve-month mental disorders in South Africa: Prevalence, service use and demographic correlates in the population-based South African Stress and Health Study.

Williams, D. R., A. Herman, D. J. Stein, S. G. Heeringa, P. B. Jackson, H. Moomal, and R. C. Kessler. Twelve-month Mental Disorders in South Africa: Prevalence, Service Use and Demographic Correlates in the Population-based South African Stress and Health Study. 2007.

Williams, D. R., et al. Twelve-month Mental Disorders in South Africa: Prevalence, Service Use and Demographic Correlates in the Population-based South African Stress and Health Study. 2007.