title: VENTILATION-BLOOD FLOW RELATIONSHIPS IN THE LUNGS OF CHILDREN. ARTERIAL-ALVEOLAR NITROGEN TENSION DIFFERENCE BY CHROMATOGRAPHIC ANALYSIS OF NITROGEN IN URINE.
mesh_terms: D001784:Blood Gas Analysis; D002648:Child; D002845:Chromatography; D003550:Cystic Fibrosis; D006801:Humans; D007223:Infant; D008168:Lung; D008171:Lung Diseases; D009584:Nitrogen; D011652:Pulmonary Circulation; D012119:Respiration; D012129:Respiratory Function Tests; D013048:Specimen Handling; D014556:Urine
chemical_list: D009584:Nitrogen
keywords: BLOOD GAS ANALYSIS; CHILD; CHROMATOGRAPHY; CYSTIC FIBROSIS; INFANT; LUNG DISEASES; NITROGEN; PULMONARY CIRCULATION; RESPIRATORY FUNCTION TESTS; SPECIMEN HANDLING; URINE