American Academy of Dermatology: “Psoriasis Triggers,” “Psoriasis Treatment,” “Minimizing Flare-ups.”
Eriksson MO; “Palmoplantar pustulosis: a clinical and immunohistological study.” British Journal of Dermatology. 1998;138(3):390.
Fortes C; “Relationship between smoking and the clinical severity of psoriasis.” Archives of Dermatology 2005;141(12):1580.
Goodheart, HP. Goodheart's Photoguide of Common Skin Disorders, 2nd ed, Lippincott Williams & Wilkins, Philadelphia 2003.
Murase, JE et al. “Hormonal Effect on Psoriasis in Pregnancy and Post Partum.” Archives of Dermatology. 2005 May;141(5):601-606.
Naldi L, et al. “Cigarette smoking, body mass index, and stressful life events as risk factors for psoriasis: results from an Italian case-control study.” Journal of Investigative Dermatology. 2005;125(1):61.
National Psoriasis Foundation: “Types of Psoriasis,” “Types of Pustular Psoriasis,” “Erythrodermic Psoriasis,” “Psoriasis Causes and Known Triggers,” “Koebner Phenomenon,” “Complementary approaches,” “Natural elements: Diets and supplements,” “Mind-body medicine,” “Topical Treatments,” “OTC Topicals,” “Mild psoriasis: non-steroidal prescription topical treatments,” “Mild psoriasis: topical steroids,” “Psoriasis Severity,” “Treating Psoriasis: Phototherapy,” “Treating Psoriasis: Traditional Systemic Medications,” “Treating Psoriasis: Biologic Drugs.”
Papoutsaki M. “Adalimumab for severe psoriasis and psoriatic arthritis: an open-label study in 30 patients previously treated with other biologics.” Journal of American Academy of Dermatology. 2007;57(2):269.
Tollefson MM; “Incidence of psoriasis in children: a population-based study.”; Journal of the American Academy of Dermatology. 2010;62(6):979.