Phosphorus-31 Brain MR Spectroscopy in Women During and After Pregnancy Compared with Nonpregnant Control Subjects
Anita Holdcrofta,
Lisa Halla,
Gavin Hamiltonb,
Serena J. Counsellb,
Graeme M. Bydderb and
Jimmy D. Bellb
a Department of Anesthesia Imaging Sciences Department,MRC Clinical Sciences Centre, Faculty of Medicine, Imperial College London, Hammersmith Hospital Campus, UK
b Robert Steiner MR Unit , Imaging Sciences Department,MRC Clinical Sciences Centre, Faculty of Medicine, Imperial College London, Hammersmith Hospital Campus, UK

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FIG 1. Axial T1-weighted image (646/20) shows typical placement of the 70 x 70 x 70-mm voxel inside the brain.
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FIG 2. Localized brain 31P MR spectrum and fit of the data produced by spectral analysis. Arrow indicates the chemical shift between PCr and Pi peaks measured to determine the pHi.
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