TY - CHAP M1 - Book, Section TI - Psoriasis A1 - Murtagh, John A1 - Murtagh, Clare Y1 - 2022 N1 - T2 - John Murtagh’s General Practice Companion Handbook, 8th Edition AB - A chronic, immune-mediated skin disorder of unknown aetiology which affects 2–4% of the population. It appears most often between the ages of 10 and 30 yrs, although its onset can occur any time from infancy to old age. SN - PB - McGraw-Hill Education (Australia) Pty Ltd CY - Sydney, Australia Y2 - 2024/10/09 UR - murtagh.mhmedical.com/content.aspx?aid=1208725495 ER -