| NGU | Non-Gonococcal Urethritis |
|---|---|
| FS | factor of safety; Fanconi syndrome; Felty syndrome; fibromyalgia syndrome; field stimulation; Fisher... |
| GCU | gonococcal urethritis |
| GU | gastric ulcer; genitourinary; glucose uptake; glycogenic unit; gonococcal urethritis; gravitational ... |
| NGU | nongonococcal urethritis |