title: A portable battery-powered ratemeter and scintillation counter for the measurement of human myocardial blood flow using xenon 133.
mesh_terms: D001783:Blood Flow Velocity; D003326:Coronary Circulation; D006801:Humans; D011868:Radioisotopes; D012588:Scintillation Counting; D014978:Xenon
chemical_list: D011868:Radioisotopes; D014978:Xenon