| SI | International System of Units [Fr. le Systeme International d'Unites]; sacroiliac; saline infusion; ... |
|---|---|
| SILD | Sequenced Inventory of Language Development |
| STAI | State Trait Anxiety Inventory |
| TAI | Test Anxiety Inventory |
| TRI | tetrazolium reduction inhibition; Thyroid Research Institute; total response index; toxic chemical r... |
| CPCRA | Community Programs for Clinical Research in AIDS |
|---|---|
| CCTs | Controlled clinical trials |
| GCP | Good Clinical Practice |
| ICD9CM | International Classification of Diseases 9th Revision Clinical Modification |
| ICD-9 CM | International Classification of Diseases, Ninth Revision, Clinical Modification |