[1]
Phillips, J. and Coetsee, M. 2007. Incidence of non-traumatic anterior knee pain among 11 - 17-years-olds. South African Journal of Sports Medicine. 19, 2 (Jun. 2007), 60–64. DOI:https://doi.org/10.17159/2078-516X/2007/v19i2a267.