TY - RPRT TI - A metapopulation model of social group dynamics and disease applied to Yellowstone wolves AU - Ellen E. Brandell AU - A P Dobson AU - Peter J. Hudson AU - Paul C. Cross AU - Douglas W. Smith PY - 2021 DO - 10.1073/pnas.2020023118 UR - https://pubs.usgs.gov/publication/70218659 ID - 70218659 ER -