Reduced Levels of the Synaptic Functional Regulator FMRP in Dentate Gyrus of the Aging Sprague-Dawley Rat oleh Roman Smidak, Fernando J. Sialana, Martina Kristofova, Tamara Stojanovic, Dragana Rajcic, Jovana Malikovic, Daniel D. Feyissa, Volker Korz, Harald Hoeger, Judit Wackerlig, Diana Mechtcheriakova, Gert Lubec, Gert Lubec