TARR, H A A post-nasal swab suitable for culturing Haemophilus pertussis. [electronic resource] - Monthly bulletin of the Ministry of Health and the Emergency Public Health Laboratory Service Aug 1946 - 187 p. digital Publication Type: Journal Article Subjects--Topical Terms: AnimalsBacillusBacteriaBordetella pertussisGram-Positive BacteriaHaemophilusInsectaLacticaseibacillus caseiWhooping Cough