1. Ball, J. N., Chester-Jones, I., Forster, M. E., Hargreaves, G., Hawkins, E. F., and Milne, K. P. (1971). Measurement of plasma Cortisol levels in the eel, Anguilla anguilla, in relation to osmotic adjustments. J. Endocrinol. 50: 75–96.
2. Barajas, L. (1964). The innervation of the juxtaglomerular apparatus. An electron microscopic study of the innervation of the glomerular arterioles. Lab. Invest. 13: 916–929.
3. Barajas, L. and Latta, H. (1967). Structure of the juxtaglomerular apparatus. Circ. Res. 20–21 (Suppl. 2): 15–28.
4. Blaine, E. H., Davis, J. O., and Witty, R. T. (1970). Renin release after hemorrhage and after suprarenal aortic constriction in dogs without sodium delivery to the macula densa. Circ. Res. 27: 1081–1089.
5. Blair-West, J. R., Coghlan, J. P., Denton, D. A., Gibson, A. P., Oddie, C. J., Sawyer, W. H., and Scoggins, B. A. (1977). Plasma renin activity and blood corticosteroids in the Australian lungfish, Neoceratodus forsteri. J. Endocrinol. 74: 137–142.