RT Journal Article SR Electronic T1 Urine Excretion of Inhaled Technetium-99m-DTPA: An Alternative Method to Assess Lung Epithelial Transport JF Journal of Nuclear Medicine JO J Nucl Med FD Society of Nuclear Medicine SP 441 OP 449 VO 31 IS 4 A1 Horst Köhn A1 Beatrix König A1 Heinrich Klech A1 Wolfgang Pohl A1 Adolf Mostbeck YR 1990 UL http://jnm.snmjournals.org/content/31/4/441.abstract AB