Times past. First aid in asphyxia (1941).
Wilkinson
D
D
D001237:Asphyxia / Q000266:history* / Q000628:therapy; D005392:First Aid / Q000266:history*; D049673:History, 20th Century; D006801:Humans; D012121:Respiration, Artificial / Q000266:history* / Q000379:methods