TY - RPRT TI - A review of infectious agents in polar bears ( Ursus maritimus ) and their long-term ecological relevance AU - Anna C. Fagre AU - Kelly A. Patyk AU - Pauline Nol AU - Todd C. Atwood AU - Karsten Hueffer AU - Colleen G. Duncan PY - 2015 DO - 10.1007/s10393-015-1023-6 UR - https://pubs.usgs.gov/publication/70144305 ID - 70144305 ER -