Não informado. (1944). British Journal of Industrial Medicine. British Medical Association.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. British Journal of Industrial Medicine. London: British Medical Association, 1944.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. British Journal of Industrial Medicine. British Medical Association, 1944.
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