1. Liver toxicity of retinoid therapy;Roenigk,1991
2. Side effect profile of retinoids;Cunningham,1991
3. Acitretin (Ro 10-1670) Investigational Drug Brochure Addendum;Reik,1989
4. Etretinate (Tegison) product information.
5. Acitretin (Soriatane) product information.