13669
OBJECTIVEWe investigated whether glycation gap ( G - Gap ) , an index of intracellular glycation of proteins , was associated with diabetes complications . RESEARCH DESIGN AND METHODSWe measured concomitantly HbA ( 1c ) and fructosamine in 925 patients with type 2 diabetes to calculate the G - Gap , defined as the difference between measured HbA ( 1c ) , and fructosamine - based predicted HbA ( 1c ) .
 Chemical: fructosamine; Chemical: fructosamine
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: fructosamine; Chemical: fructosamine