title: Ascertainment considerations in the analysis of affected sib shared haplotype data.
mesh_terms: D000483:Alleles; D003922:Diabetes Mellitus, Type 1 / Q000235:genetics*; D004198:Disease Susceptibility; D006680:HLA Antigens / Q000235:genetics; D006684:HLA-DR Antigens / Q000235:genetics; D006801:Humans; D008957:Models, Genetic; D010414:Pennsylvania; D011336:Probability; D012494:Sampling Studies / Q000379:methods*
chemical_list: D006680:HLA Antigens; D006684:HLA-DR Antigens