Changes in Tissue Cellularity Are Associated with Growth Enhancement in Genetically Modified Arctic Char (Salvelinus alpinus L.) Carrying Recombinant Growth Hormone Gene - Tiina I. Pitkänen; Sheila Q. Xie; Aleksei Krasnov; Paul S. Mason; Hannu Mölsä; Neil C. Stickland (Marine Biotechnology, 2001)