TY - RPRT TI - Fatal pox infection in a rough-legged hawk AU - G.L. Pearson AU - D.A. Pass AU - E.C. Beggs PY - 1975 DO - 10.7589/0090-3558-11.2.224 UR - https://pubs.usgs.gov/publication/1001335 ID - 1001335 ER -