TY - RPRT TI - Strains of infectious hematopoietic necrosis (IHN) virus may be identified by structural protein differences AU - J.C. Leong AU - Ya Li Hsu AU - H. Mark Engelking AU - Daniel M. Mulcahy PY - 1981 UR - https://pubs.usgs.gov/publication/70181761 ID - 70181761 ER -