| Abbreviations | Meaning |
 | SIDS | Sudden Infant Death Syndrome; Sulfo-iduronate Sulfatase |
 | UQS | Upper Quadrant Syndrome |
 | SL | Sinding Larsen (syndrome) |
 | PIS | Pharmacy Information System; Preinfarction Syndrome; Primary Immunodeficiency Syndrome; Primary Index Score; Provisional International Standard |
 | DRC | Digitorenocerebral [syndrome] |
 | MISNES | Multicenter Italian Study On Neonatal Electrocardiography [ECG] And Sudden Infant Death Syndrome |
 | MCAS | Middle Cerebral Artery Syndrome |
 | LAS | Local Adaptation Syndrome |
 | KS | Korsakoff Syndrome |
 | SSS | Systemic Sicca Syndrome |
 | HARS | Histidyl-ribonucleic Acid [RNA] Synthetase; Human AIDS [acquired Immunodeficiency Syndrome] Reporting System |
 | US2 | Usher Syndrome Type II |
 | NBS | Nijmegen Breakage Syndrome |
 | KWS | Kimmelstiel-Wilson Syndrome; Kugelberg-Welander Syndrome |
 | MACS | Multicenter Acquired Immunodeficiency Syndrome (AIDS) Cohort Study |