R Johansen

Characterization of nodavirus and viral encephalopathy and retinopathy in farmed turbot, <i>Scophthalmus maximus</i> (L.)

R Johansen, Ingunn Sommerset, Brit Tørud et al. · Journal of Fish Diseases · 2004 · 141 citations

Farmed Turbot, Viral Encephalopathy, Ocular Disease +16

Guidelines for health and welfare monitoring of fish used in research

R Johansen, J. R. Needham, Duncan J. Colquhoun et al. · Laboratory Animals · 2006 · 112 citations

Fishery Assessment, Welfare Monitoring, Fishery Science +13

Heart morphology in wild and farmed Atlantic salmon Salmo salar and rainbow trout Oncorhynchus mykiss

TT Poppe, R Johansen, Gjermund Gunnes et al. · Diseases of Aquatic Organisms · 2003 · 104 citations · Full text

A sequential study of pathological findings in Atlantic halibut, <i>Hippoglossus hippoglossus</i> (L.), throughout one year after an acute outbreak of viral encephalopathy and retinopathy

R Johansen, Søren Grove, A K Svendsen et al. · Journal of Fish Diseases · 2004 · 69 citations

Viral Encephalopathy, Viral Pathogenesis, Immunology +17

The first detections of subtype 2–related salmonid alphavirus (<scp>SAV</scp>2) in <scp>A</scp>tlantic salmon, <scp><i>S</i></scp><i>almo salar </i><scp>L</scp>., in <scp>N</scp>orway

M J Hjortaas, H. R. Skjelstad, T Taksdal et al. · Journal of Fish Diseases · 2012 · 68 citations

Virus Phylogeny, Salmonid Alphavirus, Pathology +5