title: Medical milestones in the South African Mining industry. Valedictory address.
mesh_terms: D049673:History, 20th Century; D008906:Mining / Q000266:history*; D009786:Occupational Health Services / Q000266:history; D009787:Occupational Medicine / Q000266:history*; D011014:Pneumonia / Q000266:history; D013019:South Africa; D014397:Tuberculosis, Pulmonary / Q000266:history