References

Baudrexel, S. et al., 2018. T₁ mapping with the variable flip angle technique: A simple correction for insufficient spoiling of transverse magnetization. Magn. Reson. Med., 79(6), pp.3082–3092.

Bernstein, M., King, K. & Zhou, X., 2004. Handbook of MRI Pulse Sequences, Elsevier.

Boudreau, M. et al., 2017. B₁ mapping for bias-correction in quantitative T₁ imaging of the brain at 3T using standard pulse sequences. J. Magn. Reson. Imaging, 46(6), pp.1673–1682.

Cercignani, M. et al., 2005. Three-dimensional quantitative magnetisation transfer imaging of the human brain. Neuroimage, 27(2), pp.436–441.

Chang, L.-C. et al., 2008. Linear least-squares method for unbiased estimation of T₁ from SPGR signals. Magn. Reson. Med., 60(2), pp.496–501.

Christensen, K.A. et al., 1974. Optimal determination of relaxation times of fourier transform nuclear magnetic resonance. Determination of spin-lattice relaxation times in chemically polarized species. J. Phys. Chem., 78(19), pp.1971–1977.

Deoni, S.C.L., Rutt, B.K. & Peters, T.M., 2003. Rapid combined T₁ and T₂ mapping using gradient recalled acquisition in the steady state. Magn. Reson. Med., 49(3), pp.515–526.

Ernst, R.R. & Anderson, W.A., 1966. Application of Fourier Transform Spectroscopy to Magnetic Resonance. Rev. Sci. Instrum., 37(1), pp.93–102.

Fram, E.K. et al., 1987. Rapid calculation of T₁ using variable flip angle gradient refocused imaging. Magn. Reson. Imaging, 5(3), pp.201–208.

Gupta, R.K., 1977. A new look at the method of variable nutation angle for the measurement of spin-lattice relaxation times using fourier transform NMR. J. Magn. Reson., 25(1), pp.231–235.

Homer, J. & Beevers, M.S., 1985. Driven-equilibrium single-pulse observation of T₁ relaxation. A reevaluation of a rapid “new” method for determining NMR spin-lattice relaxation times. J. Magn. Reson., 63(2), pp.287–297.

Lee, Y., Callaghan, M.F. & Nagy, Z., 2017. Analysis of the Precision of Variable Flip Angle T₁ Mapping with Emphasis on the Noise Propagated from RF Transmit Field Maps. Front. Neurosci., 11, p.106.

Liberman, G., Louzoun, Y. & Ben Bashat, D., 2014. T₁ mapping using variable flip angle SPGR data with flip angle correction. J. Magn. Reson. Imaging, 40(1), pp.171–180.

Li, Z.F. et al., 2018. A simple B₁ correction method for dynamic contrast-enhanced MRI. Phys. Med. Biol., 63(16), p.16NT01.

Lutti, A. & Weiskopf, N., 2013. Optimizing the accuracy of T₁ mapping accounting for RF non-linearities and spoiling characteristics in FLASH imaging. In Proceedings of the 21st Annual Meeting of ISMRM, Salt Lake City, Utah, USA. p. 2478.

Samson, R.S. et al., 2006. A simple correction for B₁ field errors in magnetization transfer ratio measurements. Magn. Reson. Imaging, 24(3), pp.255–263.

Schabel, M.C. & Morrell, G.R., 2009. Uncertainty in T₁ mapping using the variable flip angle method with two flip angles. Phys. Med. Biol., 54(1), pp.N1–8.

Sled, J.G. & Pike, G.B., 1998. Standing-wave and RF penetration artifacts caused by elliptic geometry: an electrodynamic analysis of MRI. IEEE Trans. Med. Imaging, 17(4), pp.653–662.

Stikov, N. et al., 2015. On the accuracy of T₁ mapping: Searching for common ground. Magn. Reson. Med., 73(2), pp.514–522.

Sung, K., Daniel, B.L. & Hargreaves, B.A., 2013. Transmit B₁⁺ field inhomogeneity and T₁ estimation errors in breast DCE-MRI at 3 tesla. J. Magn. Reson. Imaging, 38(2), pp.454–459.

Wang, J., Qiu, M. & Constable, R.T., 2005. In vivo method for correcting transmit/receive nonuniformities with phased array coils. Magn. Reson. Med., 53(3), pp.666–674.

Yarnykh, V.L., 2010. Optimal radiofrequency and gradient spoiling for improved accuracy of T₁ and B₁ measurements using fast steady-state techniques. Magn. Reson. Med., 63(6), pp.1610–1626.

Yarnykh, V.L., 2002. Pulsed Z-spectroscopic imaging of cross-relaxation parameters in tissues for human MRI: theory and clinical applications. Magn. Reson. Med., 47(5), pp.929–939.

Yuan, J. et al., 2012. Quantitative evaluation of dual-flip-angle T₁ mapping on DCE-MRI kinetic parameter estimation in head and neck. Quant. Imaging Med. Surg., 2(4), pp.245–253.

Zur, Y., Wood, M.L. & Neuringer, L.J., 1991. Spoiling of transverse magnetization in steady-state sequences. Magn. Reson. Med., 21(2), pp.251–263.