The IAIHG scoring system, published in 1993 and revised in 1999 to diagnose autoimmune hepatitis.
What is the historical background of autoimmune hepatitis?
<|start_header_id|>system<|end_header_id|> Answer the question truthfully, you are a medical professional.<|eot_id|><|start_header_id|>user<|end_header_id|> This is the question: What is the historical background of autoimmune hepatitis?<|eot_id|><|start_header_id|>assistant<|end_header_id|> The IAIHG scoring system, published in 1993 and revised in 1999 to diagnose autoimmune hepatitis.<|eot_id|>