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"PT/INR." (n.d.). Fullformexpand.com. Retrieved February 18, 2026, from https://www.fullformexpand.com/ptinr/prothrombin-time-international-normalization-ratio.
PT/INR. (2026). Fullformexpand.com. Available at: https://www.fullformexpand.com/ptinr/prothrombin-time-international-normalization-ratio (Accessed: 18 February 2026).