Friends, foes, and secret agents.
M B
MB
Habal
D006801:Humans; D007342:Insurance Benefits; D007345:Insurance Claim Review; D007347:Insurance, Dental / Q000191:economics*; D008329:Managed Care Programs / Q000191:economics*; D010817:Physician-Patient Relations; D013515:Surgery, Oral / Q000191:economics*; D013518:Surgery, Plastic / Q000191:economics*