Gunther Helms

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2021
Mark The Influence of Radio-Frequency Transmit Field Inhomogeneities on the Accuracy of G-ratio Weighted Imaging
Emmenegger, Tim M. ; David, Gergely ; Ashtarayeh, Mohammad ; Fritz, Francisco J. ; Ellerbrock, Isabel ; Helms, Gunther ^LU ; Balteau, Evelyne ; Freund, Patrick and Mohammadi, Siawoosh (2021) In Frontiers in Neuroscience 15.
- Contribution to journal › Article
Mark Quantitative multi-parametric MRI measurements
Helms, Gunther ^LU (2021) p.451-465
- Chapter in Book/Report/Conference proceeding › Book chapter
Mark Radiofrequency bias correction of magnetization prepared rapid gradient echo MRI at 7.0 Tesla using an external reference in a sequential protocol
Olsson, Hampus ^LU ; Novén, Mikael ^LU ; Lätt, Jimmy ^LU ; Wirestam, Ronnie ^LU and Helms, Gunther ^LU (2021) In Tomography : a journal for imaging research 7(3). p.434-451
- Contribution to journal › Article
Mark Simultaneous 3D T₁ and B₁⁺ mapping at 7T using MPRAGE with multiple volumes and driven equilibrium (DE)
Olsson, Hampus ^LU ; Andersen, Mads ^LU ; Kadhim, Mustafa and Helms, Gunther ^LU (2021) ISMRM and SMRT Annual Meeting and Exhibition 2021 In Proc Intl Soc Magn Reson Med 29.
- Chapter in Book/Report/Conference proceeding › Paper in conference proceeding
Mark Isotropic T₁-mapping of the whole brain by MP-RAGE at different inversion times
Helms, Gunther ^LU and Olsson, Hampus ^LU (2021) ISMRM and SMRT Annual Meeting and Exhibition 2021 In Proc Intl Soc Magn Reson Med 29.
- Chapter in Book/Report/Conference proceeding › Paper in conference proceeding
Mark A simple approach to control rms(B₁) by pulse length in variable flip angle (VFA) T₁ mapping of human brain
Helms, Gunther ^LU (2021) ISMRM and SMRT Annual Meeting and Exhibition 2021 In Proc Intl Soc Magn Reson Med 29.
- Chapter in Book/Report/Conference proceeding › Paper in conference proceeding
Mark Measuring inhomogeneous MT (ihMT) in human brain by multi-parameter mapping (MPM)
Helms, Gunther ^LU ; Vaculčiaková, Lenka ; Pine, Kerrin J. ; Moeller, Harald E. and Weiskopf, Nikolaus (2021) In Proc Intl Soc Magn Reson Med 29.
- Chapter in Book/Report/Conference proceeding › Paper in conference proceeding
Mark In vivo investigation of the multi‐exponential T2 decay in human white matter at 7 T: Implications for myelin water imaging at UHF
Wiggermann, Vanessa ; MacKay, Alexander L ; Rauscher, Alexander and Helms, Gunther ^LU (2021) In NMR in Biomedicine 34(2).
- Contribution to journal › Article
Mark Rational approximation of the Ernst equation for dual angle R1 mapping revisited: beyond the small flip-angle assumption.
Edwards, Luke J ; Pine, Kerrin J ; Helms, Gunther ^LU and Weiskopf, Nikolaus (2021) The European Society for Magnetic Resonance in Medicine and Biology Annual Congress 2021 In Magn Reson Mater Phy 34(Suppl 1). p.45-46
- Chapter in Book/Report/Conference proceeding › Paper in conference proceeding
2020
Mark Multi-parameter mapping (MPM) of relaxation (R1, R2*), proton density (PD) and magnetization transfer saturation (MT) at 3T: a multi-center dual-vendor reproducibility and repeatability study
Leutritz, Tobias ; Seif, Maryam ; Helms, Gunther ^LU ; Samson, Rebecca S ; Curt, Armin ; Freund, Patrick and Weiskopf, Nikolaus (2020) In Human Brain Mapping 41(15). p.4232-4247
- Contribution to journal › Article

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