Astuti, Yuli, and Dyah Artini. “COMPARATIVE HEMOGLOBIN AND HEMATOCRIT BEFORE AND AFTER DONATION TO BLOOD DONATE IN UNIT TRANSFUSION YOGYAKARTA CITY”. Jurnal Riset Kesehatan 8, no. 2 (November 30, 2019): 40–42. Accessed October 20, 2025. https://ejournal.poltekkes-smg.ac.id/ojs/index.php/jrk/article/view/5362.