title: Federal law and laboratory referrals.
authors.forename: H M
authors.initials: HM
authors.lastname: Barton
authors.forename: G W
authors.initials: GW
authors.lastname: Eiland
mesh_terms: D005260:Female; D006801:Humans; D007753:Laboratories / Q000191:economics / Q000331:legislation & jurisprudence* / Q000706:statistics & numerical data; D008297:Male; D006278:Medicare; D010820:Physicians; D011331:Private Practice / Q000331:legislation & jurisprudence* / Q000458:organization & administration / Q000706:statistics & numerical data; D014481:United States