Prediction equations for lung function in black industrial workers at the Palabora mining company Authors: Hessel PA, Sluis-Cremer GK. Source: S Afr Med J. 1989; 76:548-549. Summary: NULL Babalwa Jekwa2019-04-09T15:31:22+02:00Dec 31st, 1989| Share This Page, Choose Your Platform! FacebookTwitterLinkedInWhatsappEmail