title: Childhood rickets: revival of an ancient menace.
mesh_terms: D002675:Child, Preschool; D005060:Europe; D049690:History, Ancient; D049691:History, Medieval; D049711:History, Modern 1601-; D006801:Humans; D007223:Infant; D011792:Quebec; D012279:Rickets / Q000453:epidemiology* / Q000266:history*