title: Harvard Medical School faculty provides credibility to Aetna-owned Web site.
mesh_terms: D001900:Boston; D015179:Colorectal Neoplasms / Q000517:prevention & control / Q000628:therapy; D006279:Health Maintenance Organizations; D006801:Humans; D007255:Information Services; D020407:Internet; D012577:Schools, Medical; D014584:User-Computer Interface