Rice, M. L., Zubrick, S. R., Taylor, C. L., Gayán, J., & Bontempo, D. E. (2014). Late language emergence in 24 month twins: Heritable and increased risk for LLE in twins.

Rice, Mabel L., Stephen R. Zubrick, Catherine L. Taylor, Javier Gayán, och Daniel E. Bontempo. Late Language Emergence in 24 Month Twins: Heritable and Increased Risk for LLE in Twins. 2014.

Rice, Mabel L., et al. Late Language Emergence in 24 Month Twins: Heritable and Increased Risk for LLE in Twins. 2014.