Wahyuni H, Siregar DIS, Permatasari R, Arto NS, Nasution MR, Siregar J. Evaluation of aPTT and PT Results: A Comparison Between Point-of-Care Testing and Optical Fully Automatic Methods. IJGHR [Internet]. 2025 Oct. 26 [cited 2026 Jun. 10];8(1):269-76. Available from: http://jurnal2.globalhealthsciencegroup.com/index.php/IJGHR/article/view/378