Vander Borght, T., Pauwels, S., Demaeght, S., Labar, D., Goethals, P., & Vaneijckeren, M. (1992). Comparison of Thymidine Labeled in Methyl-group and in 2c-ring Position in Human Pet Studies. European journal of nuclear medicine, 19(8), 578. (Original work published 1992)