1. Prophylaxis of chemically induced papillomas and carcinomas of mouse skin by vitamin A acid;Bollag;Eur. J. Cancer,1973
2. An inhibitory effect of vitamin A on the induction of tumors of forestomach and cervix in the Syrian hamster by carcinogenic polycyclic hydrocarbons;Chu;Cancer Res.,1965
3. Effect of vitamin A on 7,12-Dimethylbenz[a]anthracene-induced papillomas in rhino mouse skin;Davies;Cancer Res.,1967
4. Chemicals and photocarcinogenesis;Epstein;Australas. J. Dermatol.,1977
5. Metaplasia produced in cultures of chick ectoderm by high vitamin A;Fell;J. Physiol. (Lond.),1953