Hypoxemia and O2 therapy.
D000818:Animals; D002648:Child; D002675:Child, Preschool; D006801:Humans; D000860:Hypoxia / Q000503:physiopathology* / Q000628:therapy; D007223:Infant; D008168:Lung / Q000254:growth & development*; D010102:Oxygen Inhalation Therapy