From "Variation in the Use of Echocardiography" Effective Clinical Practice, March/April 1999. 2:71-75.
Figure 2. Use of echocardiography among Medicare beneficiaries in the 25 largest metropolitan areas in the United States in 1995.
>From "Variation in the Use of Echocardiography" Effective Clinical Practice, March/April 1999. 2:71-75.
Figure 2. Use of echocardiography among Medicare beneficiaries in the 25 largest metropolitan areas in the United States in 1995.
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