Genetic and Environmental Influences on Verbal Fluency in Middle Age: A Longitudinal Twin Study.
Gustavson DE, Panizzon MS, Elman JA, Franz CE, Beck A, Reynolds CA, Jacobson KC, Xian H, Toomey R, Lyons MJ, Kremen WS. Genetic and Environmental Influences on Verbal Fluency in Middle Age: A Longitudinal Twin Study. Behav Genet. 2018 09; 48(5):361-373.