TY - RPRT TI - Multiple pyogenic granulomata occurring during etretinate therapy. AU - D M Williamson AU - R Greenwood PY - 1983 DO - 10.1111/j.1365-2133.1983.tb07688.x UR - https://pubmed.ncbi.nlm.nih.gov/6639883/ ID - 6639883 ER -