General Nature of Internal Radiation Toxicity or ee te mm or Introduction or Outline 5.4 Internal Contamination in Human Beings 5.81 Methods 5.32 Findings and Interpretation Beta Activity of the Urine Radiochemical Analysis of the Urine: Estimate of Body Burden 5.38 Source of Internal Contamination 5.34 Internal Radioactive Decontamination Therapy 5.35 Summary Internal Contamination in Animals 5.41 Methods 5.42 Findings and Interpretation Gross Observations Radioactivity of Tissues and Excreta Radiochemical Analysis of Tissues and Excreta 5.43 Autoradiographs 544 Pathology 5.45 Egg Production in Chickens 5.46 Fertility and Hatchability in Chickens 5.47 Internal Radioactive Decontamination Studies in Chickens 548 Summary