title: Psoriasis.
authors: Leicester Royal Infirmary.
authors: Nigel
authors: N
authors: Stollery
mesh_terms: D003937:Diagnosis, Differential; D006801:Humans; D007642:Keratosis / Q000175:diagnosis; D009260:Nail Diseases / Q000175:diagnosis*; D014009:Onychomycosis / Q000175:diagnosis; D011565:Psoriasis / Q000175:diagnosis*; D012536:Scalp Dermatoses / Q000175:diagnosis*