1. 4) Rang, H. P., and Dale, M. M. “The Endocrine System Pharmacology” 2nd ed., Longman, Harlow, pp. 504–508 (1991).
2. 8) Hsu, W. H., and Crump, M. H., The endocrine pancreas. In “Veterinary Endocrinology and Reproduction,” eds. McDonald, L. E., and Pineda, M. H., Lea and Febiger, Philadelphia, pp. 186–201 (1989).
3. 15) Sternberger, L. A., The unlabeled antibody peroxidase-antiperoxidase (PAP) method. In “Immunocytochemistry,” ed. Sternberger, L. A., John Wiley and Sons, New York, pp. 104–169 (1979).