Teaching reciprocal imitation skills to young children with autism using a naturalistic behavioral approach: effects on language, pretend play, and joint attention
Journal of Autism and Developmental Disorders (2006) - Comments
pubmed: 16568355  doi: 10.1007/s10803-006-0089-y  issn: 0162-3257  issn: 1573-3432 

Brooke Ingersoll, Laura Schreibman