Reference Base Etorphine and diprenorphine as immobilizing and reversing...
Alford, B.T.; Burkhart, R.L.; Johnson, W.P., 1974. Etorphine and diprenorphine as immobilizing and reversing agents in captive and free-ranging mammals. Journal of the American Veterinary Medicine Association 164 (7): 702-705, fig.1, tables 1-5