Measuring adrenal autoantibody response: Interlaboratory concordance in the first international serum exchange for the determination of 21-hydroxylase autoantibodies
Keywords: 21OHAb; 21-hydroxylase autoantibodies; AAD; Autoimmune Addison's Disease; ACA; Adrenal Cortex Autoantibodies; AHC; adrenal hypoplasia congenita; ALD; adrenoleukodystrophy; APS; autoimmune polyendocrine syndrome; AUC; area under ROC curve; CI; confidence i