title: [Signed letter of informed consent: a must for extended treatment?].
authors.forename: W G
authors.initials: WG
authors.lastname: Brands
mesh_terms: D003812:Dentist-Patient Relations; D003815:Dentists / Q000331:legislation & jurisprudence* / Q000592:standards; D006801:Humans; D007258:Informed Consent / Q000331:legislation & jurisprudence*; D009426:Netherlands; D010347:Patient Care Planning / Q000331:legislation & jurisprudence / Q000592:standards