Exposure-rate calibration of small radioactive sources of 60Co, 226Ra and 7Cs.
D002588:Cesium Radioisotopes; D003037:Cobalt Radioisotopes; D011834:Radiation Monitoring; D011879:Radiotherapy Dosage / Q000592:standards; D011883:Radium
D002588:Cesium Radioisotopes; D003037:Cobalt Radioisotopes; D011883:Radium