van den Brand, Anna Catharina Eccrine porocarcinoma: A rare case of an in situ tumor with lymph node metastases. [electronic resource] - JAAD case reports Jan 2020 - 42-45 p. digital Publication Type: Case Reports; Journal Article ISSN: 2352-5126 Standard No.: 10.1016/j.jdcr.2019.10.020 doi