title: [Forty years since description of the Kirby index (PaO2/FiO2)].
authors.affiliation: Departamento de Áreas Críticas, Instituto Nacional de Enfermedades Respiratorias «Ismael Cosío Villegas», Tlalpan, México, D.F., México. Electronic address: sandovalgutierrez@gmail.com.
authors.forename: J L
authors.initials: JL
authors.lastname: Sandoval-Gutiérrez
mesh_terms: D000465:Algorithms; D006801:Humans; D010100:Oxygen / Q000008:administration & dosage / Q000097:blood*; D010102:Oxygen Inhalation Therapy; D018467:Positive-Pressure Respiration, Intrinsic / Q000097:blood / Q000503:physiopathology*; D011379:Prognosis; D012128:Respiratory Distress Syndrome / Q000097:blood / Q000175:diagnosis* / Q000503:physiopathology
chemical_list: D010100:Oxygen