TY - RPRT TI - Keratoacanthoma: is it a real entity? AU - C H Manstein AU - C J Frauenhoffer AU - J E Besden PY - 1998 DO - 10.1097/00000637-199805000-00004 UR - https://pubmed.ncbi.nlm.nih.gov/9600429/ ID - 9600429 ER -