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. 1945 Jan 12;101(2611):46.
doi: 10.1126/science.101.2611.46.

THE INFLUENCE OF "FOLIC ACID" ON SPONTANEOUS BREAST CANCERS IN MICE

R Leuchtenberger, C Leuchtenberger, D Laszlo, R Lewisohn

THE INFLUENCE OF "FOLIC ACID" ON SPONTANEOUS BREAST CANCERS IN MICE

R Leuchtenberger et al. Science. .

Abstract

Complete regressions of spontaneous breast cancers in mice were observed in 38 among 89 animals (43 per cent.). The treatment consisted of daily intravenous injections of 5 micrograms of l. casei factor ("folic acid"). The treated animals lived longer than the controls, especially the healed mice. The incidence of the development of new tumors was decreased among the treated mice as compared with the controls.

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