title: Large trial will test vitamin D and omega-3s.
mesh_terms: D002908:Chronic Disease / Q000517:prevention & control*; D018849:Controlled Clinical Trials as Topic; D015525:Fatty Acids, Omega-3 / Q000627:therapeutic use*; D005260:Female; D006293:Health Promotion / Q000379:methods; D006801:Humans; D014807:Vitamin D / Q000627:therapeutic use*; D016387:Women's Health
chemical_list: D015525:Fatty Acids, Omega-3; D014807:Vitamin D