@article {layton2011countercurrent,
	title = {Countercurrent multiplication may not explain the axial osmolality gradient in the outer medulla of the rat kidney},
	journal = {American Journal of Physiology-Renal Physiology},
	volume = {301},
	number = {5},
	year = {2011},
	pages = {F1047{\textendash}F1056},
	publisher = {American Physiological Society Bethesda, MD},
	author = {Layton, Anita T and Layton, Harold E}
}