Body fluid osmolytes and urea and ammonia flux in the colon of two chondrichthyan fishes, the ratfish, Hydrolagus colliei , and spiny dogfish, Squalus acanthias Comparative Biochemistry and Physiology – Part A, Molecular & Integrative Physiology, 161(1), 27–35
DOI: 10.1016/j.cbpa.2011.08.017