TY - RPRT TI - Infectious pancreatic necrosis: Selection of virus-free stock from a population of carrier trout AU - K. Wolf AU - M. C. Quimby AU - C. P. Carlson AU - G. L. Bullock PY - 1968 DO - 10.1139/f68-030 UR - https://pubs.usgs.gov/publication/1014189 ID - 1014189 ER -