| exp | expansion; expectorant; experiment, experimental; expiration, expired; exponential function; exposur... |
|---|---|
| FFI | family function index; free from infection; fundamental frequency indicator |
| fn | function |
| FS | factor of safety; Fanconi syndrome; Felty syndrome; fibromyalgia syndrome; field stimulation; Fisher... |
| FSI | foam stability index; Food Sanitation Institute; functional status index; function status index |