https://www.sciencedirect.com/science/article/pii/S1053811900918263 (Publisher version)
Wietek, B., Lotze, M., Grodd, W., & Enck, P. (2000). fMRI-brain mapping of pneumatic rectal stimulation. Poster presented at Sixth Annual Meeting of the Organization for Human Brain Mapping (HBM 2000), San Antonio, TX, USA.