title: Laboratory direction: a functional approach.
authors.affiliation: Rush-Presbyterian-St. Luke's Medical Center, Chicago, Il.
authors.forename: M A
authors.initials: MA
authors.lastname: Maffetone
authors.forename: L D
authors.initials: LD
authors.lastname: Bielitzki
mesh_terms: D002568:Certification / Q000331:legislation & jurisprudence; D007587:Job Description; D007755:Laboratories, Hospital / Q000458:organization & administration*; D008486:Physician Executives / Q000592:standards*; D014481:United States