@inproceedings{fei2009mri, title={An MRI-based attenuation correction method for combined PET/MRI applications}, author={Fei, Baowei and Yang, Xiaofeng and Wang, Hesheng}, booktitle={Medical Imaging 2009: Biomedical Applications in Molecular, Structural, and Functional Imaging}, volume={7262}, pages={726208}, year={2009}, organization={International Society for Optics and Photonics} }