title: The IAEA/WHO network of secondary standard dosimetry laboratories and its function within the metrology system.
mesh_terms: D003037:Cobalt Radioisotopes; D004181:Directories as Topic; D005720:Gamma Rays; D049672:History, 19th Century; D049673:History, 20th Century; D007390:International Agencies; D009678:Nuclear Energy; D011829:Radiation Dosage; D011879:Radiotherapy Dosage / Q000592:standards; D014944:World Health Organization; D014965:X-Rays / Q000266:history
chemical_list: D003037:Cobalt Radioisotopes