Brain Derived Neurotropic Factor Gene Val66Met Polymorphism in Alzheimer’s Patients in Northern Turkey Journal title: Journal of Neurology and Experimental Neuroscience Authors: Volkan Solmaz, Orhan Sumbul, Aydın Rustemoglu, Durdane Aksoy, Ekrem Hasbek, Betul Cevik, Elmas Pekda... Subject(s):