Acute Stress Induces Different Changes on the Expression of BDNF and trkB in the Mesocorticolimbic System of Two Lines of Rats Differing in Their Response to Stressors oleh Maria Pina Serra, Francesco Sanna, Marianna Boi, Laura Poddighe, Lorenzo Secci, Marcello Trucas, Alberto Fernández-Teruel, Maria Giuseppa Corda, Osvaldo Giorgi, Marina Quartu