The elimination of radioactive barium sulfate particles from the lung.
D001466:Barium Sulfate; D006801:Humans; D008168:Lung / Q000502:physiology*; D011851:Radioactivity; D012129:Respiratory Function Tests; D012143:Respiratory Physiological Phenomena
D001466:Barium Sulfate
BARIUM SULFATE; LUNGS/physiology