20 mIU/mL. �0�4one case was 4.1 ng/mL. Conclusions: The frequencies of IA2ab and GADab in DM 1 children were very similar, although under the frequencies obtained in Caucasian population. Thus confirming our previous results (Rev Invest Clin 2000; 52: 427), in the sense that there is significative difference between the frequency of positive DM 1 autoantibodies in different ethnic groups. The Iab were more frequent in the siblings than in the parents. " v:shapes="_x0000_s1026">0934