Certification of occupational asthma and the submitting doctor Authors: Rees D, Panter C, Rautenbach B. Source: S Afr Med J. 1993; 83:916. Babalwa Jekwa2019-04-05T10:02:41+02:00Dec 31st, 1993| Share This Page, Choose Your Platform! FacebookTwitterLinkedInWhatsappEmail