Fumes from the spleen.
D001723:Birth Rate; D005602:France; D049670:History, 17th Century; D049672:History, 19th Century; D049673:History, 20th Century; D006801:Humans; D007226:Infant Mortality; D007231:Infant, Newborn; D007235:Infant, Premature, Diseases / Q000266:history*; D015931:Intensive Care, Neonatal / Q000266:history*; D014481:United States