title: Confidence limits for regional cerebral blood flow values obtained with circular positron system, using krypton-77.
mesh_terms: D000328:Adult; D001921:Brain / Q000000981:diagnostic imaging; D002560:Cerebrovascular Circulation; D005740:Gases; D006801:Humans; D007726:Krypton / Q000008:administration & dosage; D008297:Male; D011868:Radioisotopes; D011877:Radionuclide Imaging; D013223:Statistics as Topic; D014056:Tomography, X-Ray
chemical_list: D005740:Gases; D011868:Radioisotopes; D007726:Krypton