Biological and chemical risk factors associated with occupational allergies and infectious diseas
TS Singh, E Ratshikhopha, Z Kirsten, A Fourie, O Matuka, D Bartie, P Dayal
Potential occupational health challenges in the traditional medicine practice
RA Street, M Ngcobo, M Mbatha, N Gqaleni
Health Surveillance Report (Biological Monitoring and Biological Effect Monitoring –
Dr Murray Coombs
Prevalence and degree of noise-induced hearing loss in South African gold miners
Strauss S, Swanepoel DW, Becker P, Eloff Z, Hall JW III