title: Difference in mechanism of viral neutralization under in vitro and in vivo conditions.
mesh_terms: D000818:Animals; D000906:Antibodies; D002642:Chick Embryo; D046508:Culture Techniques; D004668:Encephalitis Viruses / Q000276:immunology*; D009500:Neutralization Tests; D010206:Papain; D010434:Pepsin A; D010455:Peptides; D014461:Ultracentrifugation; D005719:gamma-Globulins
chemical_list: D000906:Antibodies; D010455:Peptides; D005719:gamma-Globulins; D010206:Papain; D010434:Pepsin A