[Decrease of diphtheria without vaccination in West Germany and Japan].
D004165:Diphtheria / Q000453:epidemiology*; D005860:Germany, West; D006801:Humans; D007564:Japan; D014611:Vaccination
DIPHTHERIA/epidemiology
De l'effondrement de la diphtérie, sans vaccination, en Allemagne Occidentale et au Japon.