Tar cancer in mice. 2, The condition of the skin when modified by external treatment or diet, as a factor in influencing the cancerous reaction / A.F. Watson and E. Mellanby.

  • Watson, A. F.
Date:
[1930]
Catalogue details

Licence: In copyright

Credit: Tar cancer in mice. 2, The condition of the skin when modified by external treatment or diet, as a factor in influencing the cancerous reaction / A.F. Watson and E. Mellanby. Source: Wellcome Collection.

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    Chart 3.—The effect of treating skin of animals with (1) tannic acid (group A) and petroleum ether extracts of mice (groups B and C) before each application of tap, on the rate of growth of the skin tumours. Group D = control group (tar applications only). Tumours charted at 14 day intervals for 12£ months. Haemorrhagic tumours shown by means of dotted areas. Scale Tx0 natural size.