title: Minimum requirements for the measurement of regional myocardial flow using tracer microspheres.
mesh_terms: D000818:Animals; D001783:Blood Flow Velocity; D003326:Coronary Circulation; D004285:Dogs; D066298:In Vitro Techniques; D008863:Microspheres; D011868:Radioisotopes; D012044:Regression Analysis
chemical_list: D011868:Radioisotopes