Table of contents
December 1991 - Volume 48 - 12
Research Article
- Exposure to cement dust at a Portland cement factory and the risk of cancer. (1 December, 1991)
- Carcinoma of the lung in Ontario gold miners: possible aetiological factors. (1 December, 1991)
- Non-occupational pneumoconiosis at high altitude villages in central Ladakh. (1 December, 1991)
- Quantitative skin prick and bronchial provocation tests with platinum salt. (1 December, 1991)
- Cigarette smoking and small irregular opacities. (1 December, 1991)