TY - RPRT TI - Heightened immune system function in polar bears using terrestrial habitats AU - John P. Whiteman AU - Henry J. Harlow AU - George M. Durner AU - Eric V. Regehr AU - Steven C. Amstrup AU - Merav Ben-David PY - 2019 DO - 10.1086/698996 UR - https://pubs.usgs.gov/publication/70204673 ID - 70204673 ER -