Table 3.

Umbilical venous–arterial concentration differences for each amino acid group.

Amino acid group	Reference simulation (μmol l− 1)	Literature [7] (μmol l− 1)	Model fit (μmol l− 1)
AcEx	46	55	53
Ex	2.7	12	9.3
ExF	43.6	40	32.5
AcExF	67.4	44	70