mesh_terms: D016265:Conflict of Interest / Q000331:legislation & jurisprudence*; D003284:Contract Services / Q000331:legislation & jurisprudence*; D032982:Contracts; D005858:Germany; D033161:Government Regulation; D007882:Legislation, Hospital; D000072177:Radiologists / Q000331:legislation & jurisprudence*; D012017:Referral and Consultation / Q000331:legislation & jurisprudence*