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Author notes
1
Presented at Tenth Biennial Veterinary Conference and Annual Conference of the Wildlife Disease Association, National Communicable Disease Center, 1600 Clifton Road, Atlanta, Georgia. May 4–8, 1970.
2
Supported in part by the University of Maryland Water Resources Research Center, Project A-002MD. Contribution No. 427, Natural Resources Institute, University of Maryland.
© Wildlife Disease Association 1970
1970