TY - RPRT TI - In vitro prion protein conversion suggests risk of bighorn sheep (Ovis canadensis) to transmissible spongiform encephalopathies AU - Christopher J. Johnson AU - A.R. Morawski AU - C.M. Carlson AU - H. Chang PY - 2013 DO - 10.1186/1746-6148-9-157 UR - https://pubs.usgs.gov/publication/70047883 ID - 70047883 ER -