title: Telephone advice: to charge or not to charge, that is the question.
authors.affiliation: Department of Pediatrics, University of Missouri-Kansas City School of Medicine, Kansas City MO 64114, USA.
authors.forename: K
authors.initials: K
authors.lastname: Metzl
mesh_terms: D006296:Health Services / Q000191:economics*; D007349:Insurance, Health, Reimbursement; D013689:Telephone / Q000191:economics*