| FS | factor of safety; Fanconi syndrome; Felty syndrome; fibromyalgia syndrome; field stimulation; Fisher... |
|---|---|
| 99mTc | radioactive Technetium(used in Brain Skull, Thyroid, Liver, Spleen, Bone & Lung scans) |
| SS | disulfide; sacrosciatic; saline soak; saline solution; saliva sample; saliva substitute; Salmonella-... |
| SXR | skull x-ray [examination] |
| SHT | simple hypocalcemic tetany; subcutaneous histamine test |