title: Theoretical bases for the calculation of the regional ventilation/perfusion ratio (V/Q) of the lung in the newborn.
mesh_terms: D006801:Humans; D007231:Infant, Newborn; D008954:Models, Biological; D011868:Radioisotopes; D014692:Ventilation-Perfusion Ratio; D014978:Xenon
chemical_list: D011868:Radioisotopes; D014978:Xenon