| SH | Salter-Harris [fracture]; Schonlein-Henoch [purpura]; self-help; serum hepatitis; sexual harassment;... |
|---|---|
| SHHH | self-help for hard of hearing |
| SI | International System of Units [Fr. le Systeme International d'Unites]; sacroiliac; saline infusion; ... |
| SIB | self-injurious behavior |
| SII | self-inflicted injury |