Heiney, Paul A.2023-05-232017-03-062016-08-292017-03-06https://repository.upenn.edu/handle/20.500.14332/49713Units and quality factors for radioactive sources and doses. How serious are different dosages? Time 7:48.youtubehttp://creativecommons.org/licenses/by-nc/4.0/CurieradremSievertGrayX-rayelectronneutrongamma rayalphaALARAMaximum permissiblePhysicsArticle