{
  "package" : "hl7.fhir.r4.core@4.0.1",
  "definition" : "A tracer diffusion kinetic model in which the permeability is not assumed to be isodirectional, and which includes the contribution of tracer in the blood plasma to the total tissue concentration. See P. Tofts, \\\"Modeling tracer kinetics in dynamic Gd-DTPA MR imaging\\\", Journal of Magnetic Resonance Imaging, vol. 7, pp. 91-101, 1997",
  "system" : "http://dicom.nema.org/resources/ontology/DCM",
  "property" : [ ],
  "codesystem" : "edcf6828-b2c8-5028-b7f7-246cb8d5ac80",
  "concept_id" : "742fe3ff-b903-5fb2-a525-f94da5aa154a",
  "ancestors" : {
    "126341" : 0
  },
  "id" : "2c133326-dd6c-4faa-80b6-0114afd687c1",
  "code" : "126341",
  "display" : "Extended Tofts Model",
  "version" : "01"
}