DeGrado T.R. et al. Synthesis and evaluation of ¹⁸F-labeled choline as an oncologic tracer for positron emission tomography: initial findings in prostate cancer. Cancer Res. 2001, 61, 110–7.
DeGrado T.R. et al. Synthesis and Evaluation of ¹⁸F-Labeled Choline Analogs as Oncologic PET Tracers J. Nucl. Med.2001, 42, 1805–1814.
Iwata R. et al. [¹⁸F]Fluoromethyl triflate, a novel and reactive [¹⁸F]Fluoromethylating agent: Preparation and application to the on-column preparation of [¹⁸F]Fluorocholine. Appl. Radiat. Isotop.2002, 57, 347–352.