Geddes, J. W., Panchalingam, K., Keller, J. N., & Pettegrew, J. W. (1969). Elevated phosphocholine and phosphatidylcholine following rat entorhinal cortex lesions. Neurobiology Of Aging, 18(3), 305-8. https://doi.org/10.1016/s0197-4580(97)80312-0 (Original work published 1969)