Monyeki, M., Koppes, L., Twisk, J., Monyeki, K., & Kemper, H. (2006). The role of physical activity in the relationship between malnutrition and body composition in rural South African children: the Ellisras longitudinal study. African Journal for Physical Activity and Health Sciences, 12(2), 161–170. https://doi.org/10.4314/ajpherd.v12i2.24717