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van den Berg, H. W., D. Claffie, M. Boylan, J. McKillen, M. Lynch, και B. McKibben. Expression of Receptors for Epidermal Growth Factor and Insulin-like Growth Factor I By ZR-75-1 Human Breast Cancer Cell Variants Is Inversely Related: The Effect of Steroid Hormones On Insulin-like Growth Factor I Receptor Expression. Nature Publishing Group, 1996.

van den Berg, H. W., et al. Expression of Receptors for Epidermal Growth Factor and Insulin-like Growth Factor I By ZR-75-1 Human Breast Cancer Cell Variants Is Inversely Related: The Effect of Steroid Hormones On Insulin-like Growth Factor I Receptor Expression. Nature Publishing Group, 1996.