| NIT | National Intelligence Test |
|---|---|
| PIQ | Performance Intelligence Quotient |
| PTI | pancreatic trypsin inhibitor; persistent tolerant infection; Pictorial Test of Intelligence; placent... |
| SB | Bachelor of Science; Schwartz-Bartter [syndrome]; serum bilirubin; shortness of breath; sick bay; si... |
| SBIS | Stanford-Binet Intelligence Scale |