A. Anna, R. Sambath Kumar, and N. Venkateswaramurthy, “How does Heparan Sulfate and COVID-19 Work?: An Overview: HEPARAN SULFATE IN COVID-19”, J. Drug Delivery Ther., vol. 11, no. 6, pp. 244–247, Nov. 2021, doi: 10.22270/jddt.v11i6.5138.