D.D. Alexander, S.E. Lunde, & D.E. Berger. (2020). Gastrointestinal Tract Symptomatology in Adults with Pica and Autism. Moscow State University of Psychology and Education.

D.D. Alexander, S.E. Lunde, and D.E. Berger. Gastrointestinal Tract Symptomatology in Adults with Pica and Autism. Moscow State University of Psychology and Education, 2020.

D.D. Alexander, et al. Gastrointestinal Tract Symptomatology in Adults with Pica and Autism. Moscow State University of Psychology and Education, 2020.