TY - RPRT TI - Immobilization of free-ranging male pacific walruses ( Odobenus rosmarus divergens ) with carfentanil citrate and naltrexone hydrochloride AU - Daniel M. Mulcahy AU - P.A. Tuomi AU - Gerald W. Garner AU - Chadwick V. Jay PY - 2006 DO - 10.1111/j.1748-7692.2003.tb01135.x UR - https://pubs.usgs.gov/publication/70025572 ID - 70025572 ER -