| SI | International System of Units [Fr. le Systeme International d'Unites]; sacroiliac; saline infusion; ... |
|---|---|
| ISSI | interview schedule for social interaction; Israeli Study of Surgical Infections |
| LALI | lymphocyte antibody-lymphocytolytic interaction |
| MDIA | multidimensional interaction analysis |
| MLI | mesiolinguoincisal; mixed lymphocyte interaction |