?url_ver=Z39.88-2004&rft_id=doi%3A10.21776%2Fub.mnj.2023.009.01.8&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=Rizaldy+Taslim+Pinzon&rft.au=Rizaldy+Taslim+Pinzon&rft.issn=2407-6724&rft.date=2022&rft.pages=40-43&rft.volume=9&rft.title=MNJ%3AMalang+Neurology+Journal&rft.issue=1&rft.atitle=HEADACHE+MANIFESTATION+OF+COVID-19%3A+A+CASE+SERIES+AND+NARRATIVE+REVIEW&rft.genre=article