CORRELATION BETWEEN BLOOD HEMOGLOBIN CONCENTRATION AND INCIDENCE OF ACUTE MYOCARDIAL INFARCTION AT RUMAH SAKIT UNIVERSITAS SUMATERA UTARA WITHIN PERIODS OF 2018-2019. JIMKI [Internet]. 2021 Nov. 30 [cited 2026 May 27];9(2):20-6. Available from: https://jimki.bapin.or.id/main/article/view/468