1. Cancer in patients with psoriasis;Halprin;J Am Acad Dermatol,1982
2. Risk of cutaneous carcinoma in patients treated with oral niethox-salen photochernotherapy for psoriasis;Stern;N Engl J Med,1979
3. Skin cancer in psoriatics treated with nitrogen mustard;Halprin;J Am Acad Dermatol,1983
4. Psoriasis, skin cancer, and PUVA;Halprin;J Am Acad Dermatol,1980
5. Skin carcinomas and the treatment with photochemotherapy (PUVA);Lindskov;Acta Dermatol (Stockh),1983