http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
NRI Program Project on "Integrated Control and Elimination of Porcine Reproductive and Respiratory Syndrome Virus (PRRSV) in the U.S." ... annual report
Porcine reproductive and respiratory syndrome virus (PRRSV) in the U.S
Description based on first issue; title from title screen (viewed Feb. 26, 2009).
Mode of access: Internet via the USDA Agricultural Research Service web site. Address as of 2/26/09: http://www.ars.usda.gov/research/projects/projects.htm?ACCN%5FNO=409217&showpars=true&fy=2005 ; current access available via PURL.
Porcine reproductive and respiratory syndrome
ARS National Programs, 5601 Sunnyside Ave., GWCC 4-2154, Beltsville MD 20705