1. Retinoids as preventive and therapeutic anticancer agents (Part I);Lippman;Cancer Treatment Reports,1987
2. Retinoids as preventive and therapeutic anticancer agents (Part II);Lippman;Cancer Treatment Reports,1987
3. The toxicity of beta-carotene;Heywood;Toxicology,1985
4. Retinoids and suppression of carcinogenesis;Sporn;Hospital Practice,1983
5. Nutrition, Disease Resistance and Immune Function;Vyas,1984