1) http://journal.diabetes.org/diabetesspectrum/00v13n3/pg132.htm
2) Shukala, AP., Iliescu, RG., Thomas, CE., Aronne, LJ. (2015, Jul). Food order has a significant impact on postprandial glucose and insulin levels. Diabetes Care, 38(7): e98-9.
3) Collier, G., McLean, A., O’Dea, K.(1984, Jan). Effect of co-ingestion of fat on the metabolic responses to slowly and rapidly absorbed carbohydrates. Diabetologia, 26(1): 50-4.