Regional Fractional Ventilation by Using Multibreath Wash-in ³He MR Imaging

Originally published in:

Radiology 2016;279(3):917–924 DOI:10.1148/radiol.2015150495

Erratum in:

Radiology 2017;285(3):1063 DOI:10.1148/radiol.2017174027

Equation E4 in Appendix E1 (online) should have appeared as follows: PAo₂ (t_i) = (1 − FV) × PAo₂ (t_i−1) + FV × FIo₂ − R ×(t_i − t_i−1)