title: [Advertising by way of physician's letter-head. Decision by the Federal Constitutional Court of 4-21=1993].
authors.forename: H J
authors.initials: HJ
authors.lastname: Rieger
mesh_terms: D000329:Advertising; D005858:Germany; D006801:Humans; D010820:Physicians; D011364:Professional Practice / Q000331:legislation & jurisprudence*