Não informado. (1942). Monthly bulletin of the Ministry of Health and the Public Health Laboratory Service. Ministry of Health, Public Health Laboratory Service.
Chicago-viite (17. p.)Não informado. Monthly Bulletin of the Ministry of Health and the Public Health Laboratory Service. London: Ministry of Health, Public Health Laboratory Service, 1942.
MLA-viite (8. p.)Não informado. Monthly Bulletin of the Ministry of Health and the Public Health Laboratory Service. Ministry of Health, Public Health Laboratory Service, 1942.
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