title: Effective pulmonary blood flow in preterm infants with and without respiratory distress: a simple bedside method using nitrous oxide.
mesh_terms: D000367:Age Factors; D001811:Blood Volume Determination; D002196:Capillaries / Q000502:physiology / Q000503:physiopathology; D002245:Carbon Dioxide / Q000097:blood; D005260:Female; D006801:Humans; D007231:Infant, Newborn; D007234:Infant, Premature; D008297:Male; D008722:Methods; D009609:Nitrous Oxide / Q000032:analysis / Q000097:blood / Q000378:metabolism; D010100:Oxygen / Q000097:blood; D010991:Plethysmography; D011652:Pulmonary Circulation; D012127:Respiratory Distress Syndrome, Newborn / Q000503:physiopathology*; D013147:Spirometry; D014470:Umbilical Cord
chemical_list: D002245:Carbon Dioxide; D009609:Nitrous Oxide; D010100:Oxygen