title: [Pertussis. Retrospective study of cases at Sainte-Justine (1973-1978)].
mesh_terms: D002675:Child, Preschool; D005260:Female; D006801:Humans; D007223:Infant; D008297:Male; D011792:Quebec; D012189:Retrospective Studies; D014917:Whooping Cough / Q000453:epidemiology*
vernacular_title: La coqueluche. Etude rétrospective des cas de Sainte-Justine (1973-1978).