Neonatal infant mortality; before and after the use of the air lock for the treatment of newborn infants in a large maternity hospital.
D001238:Asphyxia Neonatorum / Q000628:therapy*; D005260:Female; D006771:Hospitals, Maternity; D006801:Humans; D007226:Infant Mortality; D007231:Infant, Newborn; D011247:Pregnancy; D012122:Ventilators, Mechanical
ASPHYXIA NEONATORUM/therapy; RESPIRATORS