Ezeasor,D. N. and W. M.Stone, 1980.Scanning electron microscopie study of the gut mucosa of the rainbow tront, Salmo gairdneri Richarson. Journal of Fish Biology .
Ezeasor,D. N. and W. M.Stone, 1980.Scanning electron microscopie study of the gut mucosa of the rainbow tront, Salmo gairdneri Richarson. Journal of Fish Biology .