title: The safe tracer dose in medical investigation.
mesh_terms: D000367:Age Factors; D001835:Body Weight; D002648:Child; D002675:Child, Preschool; D002869:Chromosome Aberrations / Q000528:radiation effects; D004813:Epidemiology; D005260:Female; D006207:Half-Life; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D008452:Maximum Allowable Concentration; D009154:Mutation / Q000528:radiation effects; D009683:Nuclear Medicine; D009929:Organ Size; D011247:Pregnancy; D011829:Radiation Dosage / Q000009:adverse effects; D011830:Radiation Effects; D011835:Radiation Protection; D011868:Radioisotopes / Q000009:adverse effects / Q000592:standards; D011874:Radiometry; D011879:Radiotherapy Dosage / Q000592:standards*; D013961:Thyroid Gland / Q000528:radiation effects
chemical_list: D011868:Radioisotopes