N. M. Kennaway

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THE data given below are derived from an examination of the death certificates of cases of cancer of the lung and of the larynx in males from England and Wales for the years 1921 to 1938 inclusive. The figures for the first 12 years of this period (1921 to 1932) were dealt with in an earlier paper (Kennaway and Kennaway, 1936); the material from the(More)
THIS investigation was planned at a meeting on August 29, 1949, at the Baggeridge Colliery, Staffordshire,'arranged by Dr. A. G. Marshall, now of the Royal Hospital, Wolverhampton, at which the following officers of the National Coal Board (West Midlands Division) were present: Dr. T. K. Elliott (Divisional Medical Officer); Mr. W. E. Raybould (Divisional(More)
In a paper (1) from this Institute published 20 years ago attention was drawn to the very distinct social distribution of cancer of the scrotum. The data were derived from the death certificates of the 921 cases of cancer of the scrotum and cancer of the penis, reported from England and Wales in 5 years (1913, 1914, 1921-23). As neither the numbers of males(More)
(a) Sarcoma: Maisin and Coolen8 obtained a rapidly growing sarcoma in a rat 25 days after one subcutaneous injection of 3:4benzpyrene (1 mg. in lard). Valade"3 found "un petit sarcome peritracheal" on the 25th day in a rat which had received 5 intratracheal injections, each of 0.2 mg., of methylcholanthrene in arachis oil. Dr. L. D. Parsons at the Royal(More)
Any population, whether of men or of animals, which is exposed to carcinogenic factors, presents two features: (a) the total incdence of cancer; and (b) the incubation period or time required for cancer to develop. There is some evidence that a more intense stimulus is required to shorten (b) than is necessary to increase (a). Both (a) and (b) are under the(More)