Charles MA, Hofeldt F, Shackelford A, et al. (1981). "Comparison of oral glucose tolerance tests and mixed meals in patients with apparent idiopathic postabsorptive hypoglycemia: absence of hypoglycemia after meals". Diabetes. 30 (6): 465–70. doi:10.2337/diabetes.30.6.465. PMID7227659.
Charles MA, Hofeldt F, Shackelford A, et al. (1981). "Comparison of oral glucose tolerance tests and mixed meals in patients with apparent idiopathic postabsorptive hypoglycemia: absence of hypoglycemia after meals". Diabetes. 30 (6): 465–70. doi:10.2337/diabetes.30.6.465. PMID7227659.