Reaching out to seniors.
D000368:Aged; D005260:Female; D006299:Health Services for the Aged / Q000458:organization & administration*; D006801:Humans; D020407:Internet / Q000458:organization & administration*; D008297:Male; D008389:Marketing of Health Services / Q000458:organization & administration*; D008875:Middle Aged; D012179:Retirement; D014481:United States