D'Ercole, J. A., Underwood, L. E. and Van Wyk, J. J., 1977. Serum Somatomedin-C in hypopituaritism and in other disorders of growth. J. Pediatr., 90, 3, 375–381. See also Cullen, K. J. and others, 1990. Insulin-like growth factor receptor expression and function in human breast cancer. Cancer Research, vol. 50, pp. 48–53.
