Blue Cross and Blue Shield of Michigan's efforts to change practice patterns.
D000328:Adult; D001416:Back Pain / Q000628:therapy; D054598:Blue Cross Blue Shield Insurance Plans / Q000191:economics*; D003363:Cost Control; D005260:Female; D006296:Health Services / Q000706:statistics & numerical data*; D006801:Humans; D007350:Insurance, Hospitalization / Q000191:economics*; D007357:Insurance, Physician Services / Q000191:economics*; D007902:Length of Stay / Q000191:economics; D008297:Male; D008824:Michigan; D009784:Occupational Diseases / Q000628:therapy; D010820:Physicians; D011247:Pregnancy; D014600:Utilization Review / Q000379:methods