Online discount deals: are they a good marketing idea?
D000329:Advertising / Q000331:legislation & jurisprudence; D005250:Fees, Dental / Q000331:legislation & jurisprudence*; D006801:Humans; D020407:Internet / Q000331:legislation & jurisprudence*; D008389:Marketing of Health Services / Q000331:legislation & jurisprudence*; D014481:United States