Konfirmasi porcine reproductive and respiratory syndrome (PRRS) di laboratorium BPPV Regional I Medan Hutagaol, Nancy Maruana text 2010 id Hutagaol, Nancy Maruana Buletin Veteriner, -- No.1; p.5-11. PRRS NONE 240215 20240215111758 INLIS000000000000659 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)