title: Does the marginal benefit exceed the marginal cost?
authors: John D
authors: JD
authors: Keen
authors: James E
authors: JE
authors: Keen
mesh_terms: D001943:Breast Neoplasms / Q000000981:diagnostic imaging* / Q000523:psychology; D042241:Early Diagnosis; D005260:Female; D006801:Humans; D008327:Mammography / Q000191:economics*; D008875:Middle Aged; D010342:Patient Acceptance of Health Care; D011379:Prognosis; D012372:ROC Curve