?url_ver=Z39.88-2004&rft_id=10.1109%2FICDI57181.2022.10007295&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.aufirst=D.&rft.aulast=Khan&rft.au=Khan%2C+D.&rft.date=2022&rft.title=Challenges+and+Application+of+Blockchain+in+Healthcare+Systems&rft.isbn=9798350397000&rft.genre=proceeding