Hinken, M., S. Halwachs, C. Kneuer, and W. Honscha. “Subcellular Localization and Distribution of the Reduced Folate Carrier in Normal Rat Tissues”. European Journal of Histochemistry, vol. 55, no. 1, Jan. 2011, p. e3, doi:10.4081/ejh.2011.e3.