The effect of consultation on hospital length of stay.
D054598:Blue Cross Blue Shield Insurance Plans / Q000191:economics; D003955:Diagnostic Tests, Routine / Q000191:economics; D006761:Hospitals / Q000706:statistics & numerical data*; D007342:Insurance Benefits / Q000191:economics*; D007902:Length of Stay / Q000191:economics*; D008824:Michigan; D012017:Referral and Consultation / Q000706:statistics & numerical data*