title: Basal cell carcinomas following roentgen therapy of ankylosing spondylitis.
mesh_terms: D000328:Adult; D002280:Basal Cell Carcinoma / Q000209:etiology*; D006801:Humans; D008297:Male; D011878:Radiotherapy / Q000009:adverse effects; D012878:Skin Neoplasms / Q000209:etiology*; D013167:Spondylitis, Ankylosing / Q000532:radiotherapy*