Evidence that down-regulation of beta-cell glucose transporters in non-insulin-dependent diabetes may be the cause of diabetic hyperglycemia. - Orci,L.; Ravazzola,M.; Baetens,D.; Inman,L.; Amherdt,M.; Peterson,R.G.; Newgard,C.B.; Johnson,J.H.; Unger,R.H. (Proc Natl Acad Sci U S A, 1990)