title: Re: radiation decomposition of technetium-99m radiopharmaceutical.
mesh_terms: D005609:Free Radicals; D010100:Oxygen / Q000494:pharmacology; D011829:Radiation Dosage; D013667:Technetium / Q000528:radiation effects*
chemical_list: D005609:Free Radicals; D013667:Technetium; D010100:Oxygen