title: Letter: Long shelf-life 99mTc-MAA lung particle kits.
mesh_terms: D004355:Drug Stability; D006801:Humans; D008168:Lung; D011877:Radionuclide Imaging; D012709:Serum Albumin; D013667:Technetium
chemical_list: D012709:Serum Albumin; D013667:Technetium