title: HYBRIDS DERIVED FROM THE VIRUSES OF ALASTRIM AND RABBIT POX.
mesh_terms: D000818:Animals; D002642:Chick Embryo; D006824:Hybridization, Genetic; D051379:Mice; D011212:Poxviridae; D011817:Rabbits; D012899:Smallpox; D012901:Variola virus; D014776:Virus Cultivation
keywords: CHICK EMBRYO; HYBRIDIZATION; MICE; POXVIRUS; RABBITS; SMALLPOX VIRUS; VIRUS CULTIVATION