Re: Ward, S., 1999 an investigation into the effectiveness of an early intervention method for delayed language development in young children. International Journal of Language & Communication Disorder, 34,243-246.
Letts
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D002663:Child Language; D002675:Child, Preschool; D006801:Humans; D007223:Infant; D007398:Interpersonal Relations; D007805:Language Development Disorders / Q000517:prevention & control*; D012107:Research Design / Q000592:standards