Prothrombin Complex Concentrate Versus Fresh Frozen Plasma in Patients Undergoing Cardiac Surgery: A Systematic Review and Meta-Analysis. - Hassan Waseem, Muhammad; Abideen, Zain ul; Cheema, Ameer Haider; Shoaib, Areeba; Waheed, Aiman; Mukhlis, Muhammad; Sajid, Barka; Aimen, Sania; Thada, Pawan Kumar (Clinical Medicine Insights: Cardiology, 2025)