1. Combination biologic therapy for the treatment of palmoplantar pustulosis;Torre;J Am Acad Dermatol,2017
2. Psoriasis [Internet],2018
3. Psoriasis - symptoms and causes,1998
4. The Psoriatic Foot,1993
5. Miceli A, Schmieder GJ. Palmoplantar Psoriasis. [Updated 2020 Aug 15]. In: StatPearls [Internet]. Treasure Island (FL): StatPearls Publishing; 2021. Available at: https://www.ncbi.nlm.nih.gov/books/NBK448142/.