Villringer, A., Rosen, B. R., Belliveau, J. W., Ackerman, J. L., Lauffer, R. B., Buxton, R. B., et al. (1988).
Dynamic imaging with Lanthanide chelates in normal brain: contrast due to magnetic susceptibility effects.
Magnetic Resonance in Medicine, 6(2), 164-174. doi:10.1002/mrm.1910060205.