{
  "package" : "hl7.fhir.r4.core@4.0.1",
  "definition" : "Modified Simpson's Method of estimating ventricular volume, based on the method of disks with paired apical views. Schiller NB, et al. \\\"Recommendations for quantitation of the left ventricle by two-dimensional echocardiography. American Society of Echocardiography Committee on Standards, Subcommittee on Quantitation of Two-Dimensional Echocardiograms\\\". J Am Soc Echocardiogr.1989 2(5):358-367. Sep-Oct",
  "system" : "http://dicom.nema.org/resources/ontology/DCM",
  "property" : [ ],
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