Environmental Health Perspectives, Vol. 101, Supplement 4: Environmental Epidemiology (Dec., 1993), pp. 187-191 (5 pages) Epidemiologic studies of the respiratory health effects of air pollution are ...
Studies of the aetiology of glioma, the commonest malignant brain tumour, with a very poor prognosis, are urgently needed, specifically to identify modifiable risk factors. The main reason that ...