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Whole-body protein kinetics in critically ill patients during 50 or 100% energy provision by enteral nutrition: A randomized cross-over study
Fig 2
Schematic illustration of study protocol (not to scale).
EN: Enteral nutrition; IV: intravenous; Phe: Phenylalanine; T: Time; Tyr: Tyrosine.
doi: https://doi.org/10.1371/journal.pone.0240045.g002