Sigmoidoscopy costs and the limits of altruism.
Shaheen
N J
NJ
Ransohoff
D F
DF
D002204:Capitation Fee; D003363:Cost Control / Q000379:methods*; D005251:Fees, Medical; D006801:Humans; D012051:Reimbursement Mechanisms; D012812:Sigmoidoscopy / Q000191:economics*; D014481:United States