Weir, E. (2001). Does smallpox still pose a threat? CMAJ.
Style de citation ChicagoWeir, Erica. "Does Smallpox Still Pose a Threat?" CMAJ 2001.
Style de citation MLAWeir, Erica. "Does Smallpox Still Pose a Threat?" CMAJ 2001.
Attention : ces citations peuvent ne pas être correctes à 100%.