title: [Rip-offs by by unscrupulous providers of medical directories. Only one thing helps: do not pay!].
authors.forename: Helmut
authors.initials: H
authors.lastname: Walbert
mesh_terms: D032982:Contracts / Q000191:economics / Q000331:legislation & jurisprudence; D004181:Directories as Topic; D005249:Fees and Charges / Q000331:legislation & jurisprudence; D005607:Fraud / Q000191:economics* / Q000331:legislation & jurisprudence*; D005858:Germany; D006801:Humans; D020407:Internet / Q000191:economics* / Q000331:legislation & jurisprudence*; D009313:National Health Programs / Q000191:economics* / Q000331:legislation & jurisprudence*