1. Renal portal shunts in the kidney of the domestic fowl;Akester;J. Anat,1967
2. Mechanisms of active H+ secretion in the proximal tubule;Aronson;Amer. J. Physiol,1983
3. Phylogeny of renal phosphate transport in the vertebrates;Bijvoet,1977
4. Contribution of the renal portal system (RPS) to the variability in urine composition and renal function in birds;Braun,1979
5. Parathyroid hormone and renal excretion of phosphate and calcium in normal starlings;Clark;Amer. J. Physiol,1976