V. Ambade, „“SARS-CoV-2 infection of endothelial cell, clinical laboratory and autopsy findings, and outcomes suggest role of hypoxia-inducible factor-1 in COVID-19”: Hypothesis to explain features of COVID-19 “, J Med Biochem, vol 41, izd. 1, str. 14–20, Juli 2021, doi: 10.5937/jomb0-30659.