title: Respiratory index: a simple evaluation of severity of idiopathic respiratory distress syndrome.
mesh_terms: D006801:Humans; D007231:Infant, Newborn; D010100:Oxygen / Q000097:blood / Q000502:physiology; D010313:Partial Pressure; D011175:Positive-Pressure Respiration; D012119:Respiration; D012127:Respiratory Distress Syndrome, Newborn / Q000503:physiopathology* / Q000628:therapy
chemical_list: D010100:Oxygen