title: Heterogeneity within observed regions: physiologic basis and effects on estimation of rates of biodynamic processes.
mesh_terms: D000818:Animals; D002199:Capillary Permeability; D003326:Coronary Circulation; D006321:Heart / Q000000981:diagnostic imaging*; D006801:Humans; D007700:Kinetics; D008955:Models, Cardiovascular; D009206:Myocardium / Q000378:metabolism*; D011868:Radioisotopes; D014055:Tomography, Emission-Computed
chemical_list: D011868:Radioisotopes