Role of the temperature of incubation of infected chick embryos in the differentiation of certain poxviruses according to pock morphology.
D000818:Animals; D002642:Chick Embryo; D005321:Extraembryonic Membranes / Q000473:pathology*; D011212:Poxviridae / Q000254:growth & development / Q000302:isolation & purification*; D013696:Temperature