title: An inexpensive and multipurpose calibration phantom for in-vivo measurements of internal contaminants.
mesh_terms: D001822:Body Burden; D002138:Calibration; D005780:Gelatin; D006801:Humans; D008953:Models, Anatomic; D011868:Radioisotopes / Q000032:analysis*; D014915:Whole-Body Counting / Q000295:instrumentation*
chemical_list: D011868:Radioisotopes; D005780:Gelatin