properdin factor b ( bf ) alleles , which are in linkage disequilibrium with alleles of the hla-b locus , were also associated with lcas , iddm patients with alleles bfs1 or bff hd a prevalence of lcas of 7 % , significantly less than the 39 % in bf-f1s or -f1 patients .
C0021641
iddm
C0011854
iddm