TY - RPRT TI - Assessing transmissible spongiform encephalopathy species barriers with an in vitro prion protein conversion assay AU - Christopher J. Johnson AU - Christina M. Carlson AU - Aaron R. Morawski AU - Alyson Manthei AU - Neil R. Cashman PY - 2015 DO - 10.3791/52522 UR - https://pubs.usgs.gov/publication/70146549 ID - 70146549 ER -