EDIJANTO, Soebagijo Poegoeh; NUGRAHA, Gilang; QOMARIYAH, Nurul; AZZAKIA, Nur Laily. Differences in Ferritin and Serum Iron Levels in Elderly Coffee Consumers and Non-Coffee Consumers: Perbedaan Kadar Ferritin dan Besi Serum pada Lansia Pengonsumsi Kopi dan Bukan Pengonsumsi Kopi. Medicra (Journal of Medical Laboratory Science/Technology), [S. l.], v. 9, n. 1, p. 33–38, 2026. DOI: 10.21070/medicra.v9i1.1813. Disponível em: https://medicra.umsida.ac.id/index.php/medicra/article/view/1813. Acesso em: 26 jul. 2026.