title: Modification of the Nail Psoriasis Severity Index.
authors.forename: Charles A
authors.initials: CA
authors.lastname: Parrish
authors.forename: Jenny O
authors.initials: JO
authors.lastname: Sobera
authors.forename: Boni E
authors.initials: BE
authors.lastname: Elewski
mesh_terms: D006801:Humans; D009260:Nail Diseases / Q000145:classification / Q000175:diagnosis*; D011565:Psoriasis / Q000145:classification / Q000175:diagnosis*; D015203:Reproducibility of Results; D012720:Severity of Illness Index