Frade, S, Demography and Population Studies, Schools of Public Health and Social Sciences, Faculties of Health Sciences and Humanities, University of the Witwatersrand, Johannesburg, South Africa

• Special Issue: Adolescent health and development in Southern Africa - Implications and post 2015 development agenda - Research
  Disease prevalence and grade repetition among adolescents in South Africa: Is there any relationship?
  Abstract  PDF