TY - RPRT TI - Pigmented dermatofibrosarcoma protuberans (Bednar tumour): melanocytic colonization or neuroectodermal differentiation? A clinicopathological and immunohistochemical study. AU - C D Fletcher AU - J M Theaker AU - A Flanagan AU - T Krausz PY - 1988 DO - 10.1111/j.1365-2559.1988.tb02094.x UR - https://pubmed.ncbi.nlm.nih.gov/2466752/ ID - 2466752 ER -