text Madison University of Winconsin Press 1964 Ind xiv, 346 p. : ill. ; 23 cm. xiv, 346 p. : ill. ; 23 cm. Index: p. 347-352 NEWCASTLE disease virus: an evolving pathogen POULTRY NEWCASTLE DISEASE VIRUS PATHOGENICITY 636.5.089 636.5.089NEW INLIS000000000024460 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)