TRICHINELLA SPIRALIS IN THE BLACK BEAR (URSUS AMERICANUS) OF PENNSYLVANIA: DISTRIBUTION, PREVALENCE AND INTENSITY OF INFECTION

Gerhard A. Schad, David A. Leiby, Charles H. Duffy, K. Darwin Murrell, Gary L. Alt
1986 Journal of Wildlife Diseases  
doi:10.7589/0090-3558-22.1.36 pmid:3951059 fatcat:3ewstezm6vas7ekchroldw37yy