[Relative calibration of radioactive isotopes].
D002138:Calibration; D008751:Methylene Blue; D011868:Radioisotopes; D011874:Radiometry / Q000295:instrumentation*; D014965:X-Rays
D011868:Radioisotopes; D008751:Methylene Blue
METHYLENE BLUE; RADIATION COUNTERS; ROENTGEN RAYS/effects
Relative Eichmessungen radioaktiver Isotope.