Sheehan-Dare, RA, JA Cotterill, and DL Barnard. 1989. “Transformation of Myelodysplasia to Acute Myeloid Leukaemia During Psoralen Photochemotherapy (PUVA) Treatment of Psoriasis”. Acta Dermato-Venereologica 69 (3):262-64. https://doi.org/10.2340/0001555569262264.