[Significance and limitation of in vitro tests on cellular immunity--virus plaque assay].
D000818:Animals; D006168:Guinea Pigs; D006801:Humans; D066298:In Vitro Techniques; D051379:Mice; D013601:T-Lymphocytes / Q000276:immunology*; D010948:Viral Plaque Assay / Q000379:methods*