Vogel, L. (2011). WHO mulls phase out of vaccine linked to polio outbreaks. Canadian Medical Association.
Citação norma ChicagoVogel, Lauren. WHO Mulls Phase Out of Vaccine Linked to Polio Outbreaks. Canadian Medical Association, 2011.
MLA CitationVogel, Lauren. WHO Mulls Phase Out of Vaccine Linked to Polio Outbreaks. Canadian Medical Association, 2011.
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