6 8 5 9 ( < ) 2 5 = 2 2 1 2 7 ,& 5 ,& . ( 7 7 6 ,$ / 3 $ 7 ...

Janet E. Foley,1,5 Nathan C. Nieto,1 S. Bernadette Clueit,2 Patrick Foley,3 William N. Nicholson,4 and Richard N. Brown2 1 Department of Medicine and Epidemiology, School of Veterinary Medicine, University of California, Davis, California 95616, USA 2 Department of Wildlife, Humboldt State University, Arcata, California 95521, USA ................
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