1. The natural history of psoriasis in 5,600 patients;Farber;Dermatologica,1974
2. Pruritus in psoriasis;Newbold,1977
3. Psoriasis: eine Fragebogenstudie bei 536 Patienten;Braun-Falco;Munch Med Wochenschr,1972
4. Personality evaluation in psoriasis;Gilbert;Cleve Clin Q,1973
5. Emotional factors in psoriasis: Recent findings;Baughman,1977