Diehr P, Cain KC, Kreuter W, Rosenkranz S. Can small-area analysis detect variation in surgery rates? The power of small-area variation analysis. Med Care. 1992 Jun;30(6):484-502.
Diehr P, Cain KC, Kreuter W, Rosenkranz S. Can small-area analysis detect variation in surgery rates? The power of small-area variation analysis. Med Care. 1992 Jun;30(6):484-502.