@article{P113.017, author={Keereman, Vincent and Mollet, Pieter and Berker, Yannick and Schultz, Volkmar and Vandenberghe, Stefaan}, title={Challenges and current methods for attenuation correction in PET/MR}, journal={MAGNETIC RESONANCE MATERIALS IN PHYSICS BIOLOGY AND MEDICINE}, year={2013}, volume={26}, number={1}, pages={81-98}, }