Titration of vaccinia virus by intravenous injection of chick embryos.
D000818:Animals; D002642:Chick Embryo; D006801:Humans; D007275:Injections, Intravenous; D008297:Male; D015203:Reproducibility of Results; D012900:Smallpox Vaccine; D014611:Vaccination; D014615:Vaccinia / Q000821:virology*; D014616:Vaccinia virus
D012900:Smallpox Vaccine
VACCINIA/virology