title: Blue Cross and Blue Shield warning.
authors.forename: W F
authors.initials: WF
authors.lastname: Tucker
mesh_terms: D054598:Blue Cross Blue Shield Insurance Plans / Q000191:economics*; D003953:Diagnosis-Related Groups; D004636:Emergency Service, Hospital / Q000191:economics*; D006801:Humans; D019458:Insurance Coverage / Q000592:standards; D016134:Organizational Policy; D005791:Patient Care / Q000191:economics*; D013514:Surgical Procedures, Operative