title: INAPPARENT VIRAL INFECTION OF CELLS IN VITRO. I. CONVERSION OF INAPPARENT TO APPARENT INFECTION BY ENVIRONMENTAL ALTERATION OF CHICKEN EMBRYONIC CELLS IN CULTURES INOCULATED WITH JAPANESE ENCEPHALITIS VIRUS.
mesh_terms: D000818:Animals; D002642:Chick Embryo; D002645:Chickens; D003470:Culture Media; D004660:Encephalitis; D004664:Encephalitis Virus, Japanese; D004668:Encephalitis Viruses; D004672:Encephalitis, Japanese; D066298:In Vitro Techniques; D046509:Tissue Culture Techniques; D014776:Virus Cultivation
chemical_list: D003470:Culture Media
keywords: CHICK EMBRYO; CULTURE MEDIA; ENCEPHALITIS VIRUSES; ENCEPHALITIS, JAPANESE B; TISSUE CULTURE; VIRUS CULTIVATION