Astuti NW, Purnamaningsih N, Sunarsih T. Overview of Blood Stocks and Demand During the COVID-19 Pandemic in Blood Donation Unit PMI Sleman Yogyakarta. J. prof. medika [Internet]. 2021 Jun. 18 [cited 2024 Apr. 28];15(1). Available from: https://ejournal.upnvj.ac.id/JPM/article/view/2910