Deinlein, T; Hofmann-Wellenhof, R; Blum, A. [Flat pigmented lesions in UV-exposed skin-a diagnostic challenge]. Hautarzt. 2021; 72(12):1119-1122 Doi: 10.1007/s00105-021-04846-w [OPEN ACCESS] Web of Science PubMed FullText FullText_MUG