1. an introduction to autism;A Practical Guide to Autism;2021-10-26
2. Tryptophan;Encyclopedia of Autism Spectrum Disorders;2021
3. Cortisol, Serum;Encyclopedia of Autism Spectrum Disorders;2021
4. Sex Hormones;Encyclopedia of Autism Spectrum Disorders;2021
5. Tryptophan;Encyclopedia of Autism Spectrum Disorders;2020