https://www.selleckchem.com/pr....oducts/kg-501-2-naph
Introduction Hypoxia is the main cause of morbidity and mortality in COVID-19. During the COVID-19 pandemic, some countries have reduced access to supplemental oxygen, whereas other nations have maintained and even improved access to supplemental oxygen. We examined whether variation in the nationally determined oxygen guidelines had any association with national mortality rates in COVID-19. Methods Three independent investigators searched for, identified, and extracted the nationally recommended target oxygen l
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