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Selective permeability barrier to urea in shark rectal gland. American Journal of Physiology. Renal Physiology, 289(1), 83–89
DOI: 10.1152/ajprenal.00456.2004
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Permeabilities of teleost and elasmobranch gill apical membranes: evidence that lipid bilayers alone do not account for barrier function. American Journal of Physiology. Cell Physiology, 287(1), 235–242
DOI: 10.1152/ajpcell.00017.2004