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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
Which of the following is vitamin K–dependent clotting factor?
assistant
The correct answer is  Vitamin K-dependent factors are clotting factor II (prothrombin), VII, IX, and X and anti-clotting factors protein C and protein S.