{Reference Type}: Letter {Title}: Clinical and immunological phenotype switch to prurigo nodularis in a patient receiving ixekizumab for treating psoriasis: a case report. {Author}: Liu T;Chu Y;Li S;Fang H;Qiao J; {Journal}: Int J Dermatol {Volume}: 62 {Issue}: 8 {Year}: 08 2023 3 {Factor}: 3.204 {DOI}: 10.1111/ijd.16658