R. Mofarrah, V. Ahlgrimm-Seiss, C. Massone, and R. Hofmann-Wellenhof, “Reflectance confocal microscopy: a useful and non-invasive tool in the in vivo differentiation of benign pigmented skin lesions from malignant melanoma. Report of a case”, Dermatol Pract Concept, pp. 33–35, Jan. 2013, doi: 10.5826/dpc.0301a09.