title: State regulation of medical necessity: the case of weight-reduction surgery.
authors.affiliation: Wake Forest University, USA.
authors.forename: Mark A
authors.initials: MA
authors.lastname: Hall
mesh_terms: D015992:Body Mass Index; D015391:Gastroplasty / Q000191:economics; D017048:Health Care Costs; D006301:Health Services Needs and Demand / Q000331:legislation & jurisprudence*; D006801:Humans; D007345:Insurance Claim Review; D019458:Insurance Coverage; D007348:Insurance, Health; D020380:Needs Assessment / Q000331:legislation & jurisprudence*; D009767:Obesity, Morbid / Q000601:surgery*; D016896:Treatment Outcome; D015431:Weight Loss