- Insulin-induced hypoglycemia stimulates corticotropin-releasing factor and arginine vasopressin secretion into hypophysial portal blood of conscious, unrestrained rams. Caraty, A., Grino, M., Locatelli, A., Guillaume, V., Boudouresque, F., Conte-Devolx, B., Oliver, C. J. Clin. Invest. (1990)