?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aulast=McNelly&rft.au=McNelly%2C+Angela&rft.aufirst=Angela&rft.atitle=A+pilot+study+of+alternative+substrates+in+the+critically+Ill+subject+using+a+ketogenic+feed&rft.volume=14&rft.date=15+December+2023&rft.title=Nature+Communications&rft.issue=1&rft.genre=article