Late talking toddlers may have special genes.
J W
JW
Gilger
D000367:Age Factors; D002675:Child, Preschool; D005260:Female; D006801:Humans; D007804:Language Development; D008297:Male; D010641:Phenotype; D013060:Speech; D018433:Twin Studies as Topic; D014429:Twins, Dizygotic