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Dyfyniad Arddull ChicagoTesh, Robert B., Douglas M. Watts, Elena Sbrana, Marina Siirin, Vsevolod L. Popov, and Shu-Yuan Xiao. Experimental Infection of Ground Squirrels (Spermophilus Tridecemlineatus) With Monkeypox Virus. Centers for Disease Control and Prevention, 2004.
Dyfyniad MLATesh, Robert B., et al. Experimental Infection of Ground Squirrels (Spermophilus Tridecemlineatus) With Monkeypox Virus. Centers for Disease Control and Prevention, 2004.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.