@article {layton2009mammalian, title = {The mammalian urine concentrating mechanism: hypotheses and uncertainties}, journal = {Physiology}, volume = {24}, number = {4}, year = {2009}, pages = {250{\textendash}256}, publisher = {American Physiological Society}, author = {Layton, Anita T and Layton, Harold E and Dantzler, William H and Pannabecker, Thomas L} }