title: Hepatitis A: in vitro isolation of an agent with unusual growth requirements from a clinical case occurring in Costa Rica.
mesh_terms: D002478:Cells, Cultured; D002648:Child; D003470:Culture Media; D003588:Cytopathogenic Effect, Viral; D005243:Feces / Q000382:microbiology*; D006506:Hepatitis A / Q000382:microbiology*; D006507:Hepatovirus / Q000254:growth & development / Q000302:isolation & purification* / Q000648:ultrastructure; D006801:Humans; D006863:Hydrogen-Ion Concentration; D008297:Male; D012703:Serotyping; D014776:Virus Cultivation / Q000379:methods; D014779:Virus Replication
chemical_list: D003470:Culture Media