Genetic and environmental influences on writing and their relations to language and reading.
Olson RK, Hulslander J, Christopher M, Keenan JM, Wadsworth SJ, Willcutt EG, Pennington BF, DeFries JC. Genetic and environmental influences on writing and their relations to language and reading. Ann Dyslexia. 2013 Apr; 63(1):25-43.