title: Are cockroaches really harmless?
authors.affiliation: Toronto Hospital.
authors.forename: J
authors.initials: J
authors.lastname: Frank
authors.forename: M F
authors.initials: MF
authors.lastname: Evans
mesh_terms: D000818:Animals; D000941:Antigens / Q000009:adverse effects*; D001249:Asthma / Q000209:etiology*; D002648:Child; D003058:Cockroaches / Q000276:immunology*; D005194:Family Practice; D006801:Humans; D006967:Hypersensitivity / Q000209:etiology*; D009017:Morbidity; D012107:Research Design; D014504:Urban Health
chemical_list: D000941:Antigens