TY - RPRT TI - An improved method for isolating viruses from asymptomatic carrier fish AU - Donald F. Amend AU - John P. Pietsch PY - 1972 DO - 10.1577/1548-8659(1972)101<267:aimfiv>2.0.co;2 UR - https://pubs.usgs.gov/publication/70182023 ID - 70182023 ER -