title: Hypoxemia unassociated with anatomic shunting in pulmonary disease.
mesh_terms: D001775:Blood Circulation; D006801:Humans; D000860:Hypoxia / Q000000981:diagnostic imaging; D008171:Lung Diseases / Q000000981:diagnostic imaging*; D011877:Radionuclide Imaging; D013667:Technetium; D013997:Time Factors
chemical_list: D013667:Technetium