Não informado. Communicable Disease Morbidity Statistics. State Board of Health, Public Health Statistics Section.
Chicago-viite (17. p.)Não informado. Communicable Disease Morbidity Statistics. Raleigh, NC: State Board of Health, Public Health Statistics Section.
MLA-viite (8. p.)Não informado. Communicable Disease Morbidity Statistics. State Board of Health, Public Health Statistics Section.
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