The following are multiple choice questions (with answers) about medical knowledge.   **Question:** Best method to neasure HbA1c?   (A) lsoelectric focusing   (B) Affinity chromatography   (C) Ion exchange chromatography   (D) Electrophoresis
['(C) Ion exchange chromatography <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) lsoelectric focusing \n (B) Affinity chromatography \n (C) Ion exchange chromatography \n (D) Electrophoresis <> possible answers', '  Best method to neasure HbA1c? <> context@']