title: Use of arterial PO2 to study convective and diffusive gas mixing in the lungs.
mesh_terms: D000818:Animals; D004058:Diffusion; D004285:Dogs; D005260:Female; D006371:Helium; D008297:Male; D009584:Nitrogen; D010100:Oxygen / Q000097:blood*; D010313:Partial Pressure; D011652:Pulmonary Circulation; D012119:Respiration; D014692:Ventilation-Perfusion Ratio
chemical_list: D006371:Helium; D009584:Nitrogen; D010100:Oxygen