1. Prophylaxis of chemically induced benign and malignant epithelial tumors by vitamin A acid;Bollag;Eur J Cancer,1972
2. Prophylaxis of chemically induced epithelial tumors with an aromatic retinoic acid analog (RO-109359);Bollag;Eur J Cancer,1975
3. Inhibition of 7, 12-dimethylbenz(a)anthracene-induced mammary carcinogenesis by retinyl acetate;Moon;Cancer Res,1976
4. Histopathological evaluation of the inhibition of rat bladder carcinogenesis by 13-cis-retinoic acid;Squire;Cancer Res,1977
5. An inhibitory effect of vitamin A on the induction of tumors of forestomach and cervix in the Syrian hamster by carcinogenetic polycyclic hydrocarbons;Chu;Cancer Res,1965