Zero sum gain.
M C
MC
Rogers
D013502:General Surgery; D017722:Hospital Charges / Q000639:trends*; D017721:Hospital Costs / Q000639:trends*; D006801:Humans; D010818:Practice Patterns, Physicians' / Q000191:economics*; D012051:Reimbursement Mechanisms / Q000191:economics / Q000639:trends*