Neumann, HA, PJ Berretty, and WR Faber. 1981. “Granulomatous Secondary Syphilis Coinciding With PUVA Treatment in a Patient With Psoriasis: An Apparent Failure of PUVA Therapy”. Acta Dermato-Venereologica 61 (1):82-85. https://doi.org/10.2340/00015555618285.