title: Visual abnormalities following nitrosourea treatment.
mesh_terms: D002330:Carmustine / Q000009:adverse effects; D006801:Humans; D008130:Lomustine / Q000009:adverse effects; D009607:Nitrosourea Compounds / Q000009:adverse effects*; D012160:Retina / Q000187:drug effects*; D012673:Semustine / Q000009:adverse effects; D014786:Vision Disorders / Q000139:chemically induced*; D014792:Visual Acuity / Q000187:drug effects
chemical_list: D009607:Nitrosourea Compounds; D012673:Semustine; D008130:Lomustine; D002330:Carmustine