The capacity for physical work of the white miners in South Africa. I. the effects of age, weight and height of miners Authors: Wyndham CH, Sluis-Cremer GK. Source: S Afr Med J. 1968; 42:280-286. Babalwa Jekwa2019-04-10T23:55:53+02:00Dec 31st, 1968| Share This Page, Choose Your Platform! FacebookTwitterLinkedInWhatsappEmail