DIN 6855-1:2009 Constancy testing of nuclear medical measuring systems - Part 1: Radiation counting systems for measurements in vivo and in vitro (IEC/TR 61948-1:2001, modified)*, 2009-07-01 Update
DIN EN 61303:1996 Medical electrical equipment - Radionuclide calibrators - Particular methods for describing performance (IEC 61303:1994); German version EN 61303:1995
DIN 6855-11:2009 history
2016DIN 6855-11:2016-08 Constancy testing of nuclear medicine instruments - Part 11: Radionuclide calibrators (IEC/TR 61948-4:2006, modified)
2016DIN 6855-11:2016 Constancy testing of nuclear medicine instruments - Part 11: Radionuclide calibrators (IEC/TR 61948-4:2006, modified)
2009DIN 6855-11:2009 Constancy testing of nuclear medicine instruments - Part 11: Radionuclide calibrators (IEC/TR 61948-4:2006, modified)
2001DIN 6855-11:2001 Quality control of nuclear medicine instruments - Part 11: Constancy testing of activity meter