TY - RPRT TI - Artificial hardening for polymorphic light eruption: practical points from ten years' experience. AU - I Man AU - R S Dawe AU - J Ferguson DO - 10.1111/j.1600-0781.1999.tb00066.x UR - https://pubmed.ncbi.nlm.nih.gov/10404717/ ID - 10404717 ER -