• Die invloed van die rookgewoonte op die simptome van die diffuse obstruktiewe pulmonale sindroom 

      Wicht, C. L.; Kotze, T. J. van W. (Health & Medical Publishing Group, 1981)
      In a randomized sample of the Bellville population a high prevalence rate for smoking was found in men (71%) and women (38%). Of the smokers, 73% of men and 42% of women started smoking before the age of 21 years. On the ...
    • Smoking among nursing staff at Tygerberg hospital, Cape Town 

      Retief, F. W.; Prinsloo, E.; Calitz, J.; Barnes, J. M. (Health & Medical Publishing Group, 2003)
      A tobacco-free hospital environment sends an important signal to patients and visitors with regard to both safety and a healthy lifestyle. Today patients, staff and visitors increasingly expect an antismoking policy to be ...