title: Professional courtesy.
authors.forename: K C
authors.initials: KC
authors.lastname: Rathbun
authors.forename: E P
authors.initials: EP
authors.lastname: Richards
mesh_terms: D004992:Ethics, Medical; D005251:Fees, Medical; D006801:Humans; D007348:Insurance, Health / Q000331:legislation & jurisprudence; D007400:Interprofessional Relations; D010820:Physicians; D012017:Referral and Consultation / Q000331:legislation & jurisprudence; D014481:United States