- Koizumi M., Maeda M., Saito Y., Kojima M., Correlations between syntactic development and verbal memory in the spoken language of children with autism spectrum disorders and down syndrome: Comparison with typically developing children. Psychology, Vol. 11, pp. 1091-1107, 2020.
- Koizumi M., Kojima M., Review of studies on syntactic development in children and adults with intellectual and developmental disorders: comparing Japanese and international studies. Asian Journal of Human Services, Vol. 16, pp. 119-135, 2019.
- Koizumi M., Saito Y., Kojima M., Syntactic development in children with intellectual disabilities: Using structured assessment of syntax. Journal of Intellectual Disability Research, Vol. 63, pp. 1428-1440, 2019.