5Garcia GV,Freeman RV,Supiano MA,et al.Glucose metabolismin older adults：A study including subjects more than 80 years of age 〔J〕.J AM Geriatr Soc,1997,45：813～817.
6Meneilly GS,Dawson K,Tessier D.Alterations in glucose metabolism in the elderly patient with diabetes 〔J〕.Diabetes Care,1993,16：1241～1248.
7Shimizu M,Kawazu S,Tomono S,et al.Age-related alteration of pancreatic β-cell function：Increased proinsulin and proinsulin-to-insulin molar ratio in elderly,but not in obese,subjects without glucose intolerance 〔J〕.Diabetes Care,1996,19：8～11.
8Morley JE.An overview of diabetes mellitus in older persons 〔J〕.Clin Geriatr Med ,1999,15：211～224.
9Samos LF,Roos BA.Diabetes mellitus in older persons 〔J〕.Med Clin North Am,1998,82：791～803.
10Zouvanis M,Pieterse AC,Seftel FC,et al.Clinical characteristics and outcome of hyperglycaemic emergencies in Johannesburg Africans 〔J〕.Diabete Med,1997,14：603～606.
