| SGSG | Scandinavian Glioma Study Group |
|---|---|
| SISH | Stage I Systolic Hypertension in the Elderly [study] |
| SRFS | split renal function study |
| STOP | Study of Hypertension in the Elderly [Sweden] or Swedish Trial in Old Patients with Hypertension; su... |
| SUPPORT | Study to Understand Prognoses and Preferences for Outcomes and Risks of Treatment |
| UKCCSG | United Kingdom Children Cancer Study Group |
|---|---|
| WOSCOPS | West Of Scotland Coronary Prevention Study |
| WIHS | Women's Interagency HIV Study |