title: Asthma: a look at the past.
mesh_terms: D001249:Asthma / Q000209:etiology / Q000266:history* / Q000628:therapy; D049669:History, 16th Century; D049672:History, 19th Century; D049673:History, 20th Century; D049690:History, Ancient; D049691:History, Medieval; D006801:Humans