title: Persistence of porcine reproductive and respiratory syndrome in pigs.
authors.affiliation: Department of Veterinary Diagnostics and Production Animal Medicine, Iowa State University College of Veterinary Medicine, Ames, IA, USA.
authors.forename: D
authors.initials: D
authors.lastname: Horter
authors.forename: C C
authors.initials: CC
authors.lastname: Chang
authors.forename: R
authors.initials: R
authors.lastname: Pogranichnyy
authors.forename: J
authors.initials: J
authors.lastname: Zimmerman
authors.forename: K J
authors.initials: KJ
authors.lastname: Yoon
mesh_terms: D000818:Animals; D002353:Carrier State / Q000662:veterinary* / Q000821:virology; D019318:Porcine Reproductive and Respiratory Syndrome / Q000821:virology*; D019316:Porcine respiratory and reproductive syndrome virus / Q000254:growth & development* / Q000302:isolation & purification; D013552:Swine