Cellular and ultrastructural characterization of the grey-morph phenotype in southern right whales (Eubalaena australis). oleh Guy D Eroh, Fred C Clayton, Scott R Florell, Pamela B Cassidy, Andrea Chirife, Carina F Marón, Luciano O Valenzuela, Michael S Campbell, Jon Seger, Victoria J Rowntree, Sancy A Leachman