system
Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
A ten year old child with aggressive behavior and poor concentration is brought with presenting complaints of joint pain and reduced urinary output. Mother gives history of self mutilitative behavior stating that he tends to mutilate his fingers. Which of the following enzymes is likely to be deficient in this child
assistant
The correct answer is  HGP