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]. 2024 Oct. 28 [cited 2025 Apr. 19];. Available from: https://actamedicaphilippina.upm.edu.ph/index.php/acta/article/view/9961