Hejazi Reza, Danyluk Allison J
Canadian Food Inspection Agency, 1410 Caribou Street West, Moose Jaw, Saskatchewan.
Can Vet J. 2005 May;46(5):436-7.
The use of compressed air to expel the obex through a hole in the skull generated using a captured bolt stunner. The obex is the part of the brain that is tested for bovine spongiform encephalopathy.