title: evaluation of egg inoculation and precipitation in gel test for laboratory diagnosis of smallpox.
mesh_terms: D000818:Animals; D002642:Chick Embryo; D006801:Humans; D005779:Immunodiffusion; D011817:Rabbits / Q000276:immunology; D012899:Smallpox / Q000175:diagnosis* / Q000382:microbiology; D012901:Variola virus / Q000302:isolation & purification; D014776:Virus Cultivation