522,321 PROCEEDINGS Proceedings of the Und International Symposium on Nuclear Medicine. Karlovy Vary /Carlsbad/, Czechoslovakia May 11-14, 1971. Brain scintigraphy, cerebral blood flow, reduction of radiation exposure. Ed. by O.Andrysek and J.Mestan. Praha 1973 Universita Karlova 8° s. 527, nlb. 1, tabl. 1, ilustr. /Tekst część, w jęz. ros. ,niem., franc./