Peak Pruritus Numerical Rating Scale: psychometric validation and responder definition for assessing itch in moderate-to-severe atopic dermatitis.
Yosipovitch G, Reaney M, Mastey V, Eckert L, Abbé A, Nelson L, Clark M, Williams N, Chen Z, Ardeleanu M, Akinlade B, Graham NMH, Pirozzi G, Staudinger H, Plaum S, Radin A, Gadkari A.