| Lead | Pb |
| Mercury | Hg |
| Cadmium | Cd |
| Arsenic | As |
| Manganese | Mn |
| Aluminum | Al |
| Autism Spectrum Disorder | ASD |
| Typically developing | TD |
| glutathione S-transferase pi 1 | GSTP1 |
| World Health Organization | WHO |
| Intelligence quotient | IQ |
| University of Medicine and Pharmacy of Carol Davila | UMF Carol Davila |
| The University of Texas Health Science Center at Houston | UTHealth |
| Diagnostic and Statistical Manual of Mental Disorders, Fourth Edition | DSM-IV |
| International Classification of Diseases, 10th Revision | ICD-10 |
| Autism Disorder Observation Schedule | ADOS |
| Autism Diagnostic Interview—Revised | ADI-R |
| Socioeconomic status | SES |
| Michigan Department of Health and Human Services | MDHHS |
| Agency for Toxic Substances and Disease Registry | ATSDR |
| Centers for Disease Control and Prevention | CDC |
| Laboratory Corporation of America | LabCorp |
| Natural Logarithm | ln |
| Limits of Detection | LoD |
| General Linear Models | GLMs |
| Geometric mean | GM |
| Attention-deficit hyperactivity disorder | ADHD |
| Environment and Health Information System | ENHIS |