title: Other options better than vitamin D for knee arthritis.
mesh_terms: D000368:Aged; D003131:Combined Modality Therapy; D015444:Exercise; D005260:Female; D015438:Health Behavior; D006801:Humans; D008297:Male; D008875:Middle Aged; D020370:Osteoarthritis, Knee / Q000188:drug therapy / Q000517:prevention & control*; D010919:Placebos; D014807:Vitamin D / Q000008:administration & dosage*
chemical_list: D010919:Placebos; D014807:Vitamin D