{Reference Type}: Letter {Title}: Upadacitinib induced erythema, papules and pustules - Is it really acne or is it rosacea? {Author}: Hölzle I;Volc S;Wehner-Caroli J;Schaller M; {Journal}: J Dtsch Dermatol Ges {Volume}: 0 {Issue}: 0 {Year}: 2024 Jul 10 {Factor}: 5.231 {DOI}: 10.1111/ddg.15452