title: Alteration of the Newcastle disease virus particle after treatment with pronase of caseinase C.
mesh_terms: D010450:Endopeptidases / Q000494:pharmacology*; D006384:Hemagglutination / Q000187:drug effects; D006386:Hemagglutination Tests; D008854:Microscopy, Electron; D009522:Newcastle disease virus / Q000187:drug effects* / Q000276:immunology
chemical_list: D010450:Endopeptidases