To UVB or not to UVB?
D002294:Carcinoma, Squamous Cell / Q000209:etiology; D006801:Humans; D008545:Melanoma / Q000209:etiology; D009381:Neoplasms, Radiation-Induced / Q000209:etiology; D011565:Psoriasis / Q000532:radiotherapy*; D012878:Skin Neoplasms / Q000209:etiology; D014467:Ultraviolet Therapy / Q000009:adverse effects*