title: Neonatology--then and now. Assisted ventilation in the newborn (1964).
authors.forename: C H
authors.initials: CH
authors.lastname: Walker
mesh_terms: D002170:Canada; D049673:History, 20th Century; D006801:Humans; D006819:Hyaline Membrane Disease / Q000266:history* / Q000628:therapy; D007231:Infant, Newborn; D012121:Respiration, Artificial / Q000266:history*