TY - RPRT TI - Pseudoporphyria complicating etretinate therapy. AU - A J McDonagh AU - C I Harrington PY - 1989 DO - 10.1111/j.1365-2230.1989.tb02606.x UR - https://pubmed.ncbi.nlm.nih.gov/2605807/ ID - 2605807 ER -