title: A novel service promotion campaign using the social media site Facebook.
authors: Daniel
authors: D
authors: Bradshaw
authors: Amelia
authors: A
authors: Hughes
authors: Sara
authors: S
authors: Day
mesh_terms: D000293:Adolescent; D000328:Adult; D000329:Advertising; D015658:HIV Infections / Q000175:diagnosis*; D006297:Health Services Accessibility / Q000458:organization & administration*; D006801:Humans; D008297:Male; D008875:Middle Aged; D061108:Social Media; D055815:Young Adult