[Apropos of the incidence of mass hysteria].
D000293:Adolescent; D000367:Age Factors; D002648:Child; D004196:Disease Outbreaks / Q000453:epidemiology*; D005260:Female; D006801:Humans; D007046:Hysteria / Q000453:epidemiology*; D008297:Male; D011792:Quebec; D012572:School Health Services
A propos de la fréquence des épidémies d'hystérie