1. Effect of vitamin A acid (NSC-122758) on transplantable and chemically induced tumors;Bollag;Cancer Chemotherap. Rep.,1971a
2. Theraphy of chemically induced skin tumors of mice with vitamin A palmitate and vitamin A acid;Bollag;Experientia,1971b
3. Retinoids and cancer;Bollag;Cancer Chemotherap. Pharmacol.,1979
4. Arotinoids. A new class of retinoids with activities in oncology and dermatology;Bollag;Cancer Chemotherap. Pharmacol.,1981
5. Theraphy of actinic keratoses and basal cell carcinomas with local application of vitamin A acid (NSC-122758);Bollag;Cancer Chemotherap. Rep.,1971