| ASD | Autism Spectrum Disorder |
| OXT | Oxytocin |
| ELISA | Enzyme-Linked Immunosorbent Assay |
| ABC | Aberrant Behavior Checklist |
| pg/mL | Picograms per Milliliter |
| SD | Standard Deviation |
| SEM | Standard Error of the Mean |
| IQR | Interquartile Range |
| TMB | 3,3′,5,5′-Tetramethylbenzidine |
| HRP | Horseradish Peroxidase |