?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=Sheikh%2C+A&rft.aulast=Sheikh&rft.aufirst=A&rft.date=6+May+2021&rft.title=The+Lancet+Digital+Health&rft.atitle=Health+information+technology+and+digital+innovation+for+national+learning+health+and+care+systems.&rft.genre=article