Estimating the changing burden of disease attributable to low levels of physical activity in South Africa for 2000, 2006 and 2012. - Neethling I; Lambert EV; Cois A; Roomaney RA; Awotiwon OF; Pacella R; Bradshaw D; Pillay-van Wyk V (South African medical journal = Suid-Afrikaanse tydskrif vir geneeskunde, 2022)