1. Guidelines on methotrexate therapy for psoriasis;Roenigk;Arch Dermatol,1972
2. Methotrexate in psoriasis: revised guidelines;Roenigk;J Am Acad Dermatol,1988
3. Guidelines for management of patients with psoriasis;British Association of Dermatologists;Br Med J,1991
4. Methotrexate in psoriasis: consensus conference;Roenigk;J Am Acad Dermatol,1998
5. Psoriasis-liver methotrexate interactions;Weinstein;Arch Dermatol,1973