Journal of the American Society of Echocardiography · 2005 · 75 citations · 16 references
MedicineObstetricsCost-effectiveness AnalysisUltrasonographyUltrasoundDiagnostic UltrasonographyUltrasonicsUltrasound ImagingUltrasound InstrumentationHand UltrasoundHandheld Ultrasound DevicesHospital Cost Data Analysis
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Statistical Methods for Rates and Proportions.
B. S. Everitt, J. L. Fleiss · Biometrics · 1981 · 9.1K citations
Kirk T. Spencer, Allen S. Anderson, Ajay Bhargava et al. · Journal of the American College of Cardiology · 2001 · 189 citations
James B. Seward, Pamela S. Douglas, Raimund Erbel et al. · Journal of the American Society of Echocardiography · 2002 · 165 citations · Full text