{\rtf1\ansi\deff0\deftab360 {\fonttbl {\f0\fswiss\fcharset0 Arial} {\f1\froman\fcharset0 Times New Roman} {\f2\fswiss\fcharset0 Verdana} {\f3\froman\fcharset2 Symbol} } {\colortbl; \red0\green0\blue0; } {\info {\author Biblio}{\operator }{\title Biblio RTF Export}} \f1\fs24 \paperw11907\paperh16839 \pgncont\pgndec\pgnstarts1\pgnrestart Teifke JP, L\'f6hr CV, Langner C.? 2005.??Tp53 expressing squamous cell carcinoma of the tonsil in a captive polar wolf (Canis lupus arctos).. Journal of zoo and wildlife medicine : official publication of the American Association of Zoo Veterinarians. 36(3):538-42.\par \par }