Pre-analytical Factors Influencing Blood Sample Rejection Rate in the Hematology Laboratory of the Philippine General Hospital from 2018 to 2022: A Cross-sectional Study. Acta Med Philipp [Internet]. 2025 Aug. 16 [cited 2025 Aug. 25];59(11). Available from: https://actamedicaphilippina.upm.edu.ph/index.php/acta/article/view/9961