title: Radiation from implantable nuclear pacemakers. I. Dosimetry.
mesh_terms: D004014:Dictionaries as Topic; D005720:Gamma Rays; D009502:Neutrons; D010138:Pacemaker, Artificial; D011005:Plutonium; D011829:Radiation Dosage; D013997:Time Factors
chemical_list: D011005:Plutonium