Are you positive?
D017742:Dental Care for Chronically Ill / Q000331:legislation & jurisprudence*; D003756:Dental Hygienists / Q000331:legislation & jurisprudence*; D006679:HIV Seropositivity; D006801:Humans; D011215:Practice Management, Dental / Q000331:legislation & jurisprudence; D012017:Referral and Consultation / Q000331:legislation & jurisprudence; D013019:South Africa