title: Mass spectrometer evaluation of ventilation-perfusion abnormalities in respiratory distress syndrome.
mesh_terms: D001724:Birth Weight; D002245:Carbon Dioxide / Q000032:analysis; D003202:Computers, Analog; D006801:Humans; D007231:Infant, Newborn; D007442:Intubation, Intratracheal; D013058:Mass Spectrometry; D008722:Methods; D010100:Oxygen / Q000032:analysis; D011175:Positive-Pressure Respiration; D012121:Respiration, Artificial; D012127:Respiratory Distress Syndrome, Newborn / Q000503:physiopathology*; D012212:Rheology / Q000295:instrumentation; D013147:Spirometry; D014692:Ventilation-Perfusion Ratio
chemical_list: D002245:Carbon Dioxide; D010100:Oxygen