title: Radiography of collateral airflow in excised lungs with xenon as contrast agent.
mesh_terms: D000818:Animals; D001274:Atmospheric Pressure; D003287:Contrast Media; D004285:Dogs; D006801:Humans; D008168:Lung / Q000000981:diagnostic imaging*; D012123:Pulmonary Ventilation / Q000379:methods*; D011859:Radiography; D014978:Xenon
chemical_list: D003287:Contrast Media; D014978:Xenon