title: Kennedy Lecture. Unstable knees in unstable times.
authors.affiliation: Maine Medical Assessment Foundation, Manchester 04351, USA.
authors.forename: R B
authors.initials: RB
authors.lastname: Keller
mesh_terms: D016118:Anterior Cruciate Ligament / Q000601:surgery; D000070598:Anterior Cruciate Ligament Injuries; D003363:Cost Control; D017048:Health Care Costs; D018166:Health Care Reform; D006801:Humans; D007718:Knee Injuries / Q000601:surgery; D008329:Managed Care Programs; D013677:Medical Laboratory Science / Q000191:economics / Q000639:trends; D009985:Orthopedics / Q000191:economics / Q000639:trends; D017063:Outcome Assessment, Health Care; D010820:Physicians / Q000706:statistics & numerical data / Q000600:supply & distribution; D011364:Professional Practice / Q000706:statistics & numerical data; D013178:Sports Medicine / Q000191:economics / Q000639:trends*; D014481:United States / Q000453:epidemiology