Authors: P Duclos; H Arruda; J C Dessau; R Dion; M Dupont; C Gaulin; J L Grenier; M Savard; G Trudeau; M Douville-Fradet; D Beauséjour; A Bergeron; J P Bergeron; M Castonguay; P Clermont; J Cloutier; L Côté; E Czyziw; M Dubuc; M A D'Halewyn; A Fortin; M Frigon; M Gélinas; I Kirouac; S Venne Journal: Can Commun Dis Rep Date: 1996-11-01