TY - SER AU - Johansen,L.H. AU - Sommer,A.I. TI - Multiplication of infectious pancreatic necrosis virus - IPNV - in head kidney and blood leucocytes isolated from Atlantic salmon, Salmo salar L KW - Salmo Salar KW - Ipnv KW - Infectious Pancreatic KW - Leukocytes N1 - Sommer, A. -I.-Norwegian Institute of Fisheries and Aquaculture Inc., P.O. Box 2511, N-9002 Tromso, Norway ER -