https://www.cochrane.org/fr/CD013202/NEONATAL_therapies-base-de-cellules-souches-suite-une-oxygenation-insuffisante-du-cerveau-la-naissance 2020 France United Kingdom review of literature french abstract oxygenators Cell cerebrum birth, nos Ischemia base, nos Hypoxic-Ischemic encephalopathy hypoxia-ischemia, brain newborn, nos therapy, nos ischemia, nos due to oxygen anoxia of brain oxygen, nos infant, newborn stem cell Encephalopathy insufficiency stem cells encephalopathy, nos cerebrum