The reference intervals of PT, INR and APTT tests on the Cobas analyzer in Turkish pediatric population​Berrak Guven Ismail Benice Bilgehan Acikgoz Murat Can a Department of Biochemistry, Faculty of Medicine, Zonguldak Bulent Ecevit University, Zonguldak, Turkeyb Department of Public Health, Faculty of Medicine, Zonguldak Bulent Ecevit University, Zonguldak, Turkeyon January 8, 2026 at 7:28 am