?url_ver=Z39.88-2004&rft_id=doi%3A10.3390%2Fvaccines9111239&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=Chauhan%2C+Harsha&rft.aufirst=Harsha&rft.aulast=Chauhan&rft.title=Vaccines&rft.issn=2076-393X&rft.volume=9&rft.pages=1239&rft.issue=11&rft.date=Octubre+2021&rft.atitle=Blockchain+Enabled+Transparent+and+Anti-Counterfeiting+Supply+of+COVID-19+Vaccine+Vials&rft.genre=article