![Exploring the Genetic and Environmental Etiology of High General Cognitive Ability in Fourteen- to Thirty-Six-Month-Old Twins]()
Exploring the Genetic and Environmental Etiology of High General Cognitive Ability in Fourteen- to Thirty-Six-Month-Old TwinsStephen A. Petrill, Kimberly Saudino, Stacey S. Cherny, Robert N. Emde, David W. Fulker, John K. Hewitt and Robert Plomin · Child Development · 1998