title: Prevention of diabetic retinopathy.
mesh_terms: D003930:Diabetic Retinopathy / Q000209:etiology / Q000517:prevention & control*; D006801:Humans; D008274:Magnesium / Q000097:blood / Q000627:therapeutic use; D012907:Smoking / Q000150:complications
chemical_list: D008274:Magnesium