C. G. Uragoda

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A series of 237 cases of oesophageal carcinoma admitted to two thoracic units in Ceylon is analysed.Evidence suggestive of an aetiological link between betel chewing and high incidence of the tumour in Ceylon is presented. The sex incidence is unusual in that there is a preponderance of females in the series. A significant proportion of patients were women(More)
In countries where the consumption of chilies is high, the grinding of dried red chilies into a fine powder is a new industry. The majority of workers employed in this process suffer from sneezing, watering of the nose, and cough, all of which are maximal at the beginning of their employment. They develop tolerance within a variable period, after which this(More)
A total of 740 healthy children aged between 3 months and 11 years who had received BCG vaccination in the first month of life were Mantoux tested in Sri Lanka. Despite 97% having a visible scar following vaccination, 80% showed Tuberculin anergy (0-1 mm). Those without a scar showed no response. There was no correlation between scar size and the Mantoux(More)
Workers who process raw silk are exposed to a fine dust derived from the gum that binds the strands secreted by the silkworm. Fifty-three such workers, all women and non-smokers with an average of 5.8 years of service in the industry, were examined. Eighteen (33.9 per cent) workers had occupational asthma, the highest proportion (48.2 per cent) being in(More)
Cinnamon, which is the bark of the Cinnamomum zeylanicum tree, contains cinnamic aldehyde, which is an irritant. Workers processing cinnamon before export are exposed to much cinnamon dust. Forty such workers with an average of four years' service in the industry were examined. Thirty five workers (87.5%) had symptoms, nine having had asthma (22.5%). Other(More)