title: Factors influencing regional pulmonary blood in man.
mesh_terms: D003937:Diagnosis, Differential; D006801:Humans; D008168:Lung / Q000033:anatomy & histology / Q000098:blood supply*; D008171:Lung Diseases / Q000175:diagnosis; D011849:Radioactive Tracers; D011868:Radioisotopes; D012039:Regional Blood Flow; D012129:Respiratory Function Tests / Q000379:methods*
chemical_list: D011849:Radioactive Tracers; D011868:Radioisotopes