| FTM | fluid thioglycolate medium; fractional test meal |
|---|---|
| FTR | fractional tubular reabsorption |
| FU | fecal urobilinogen; fetal urobilinogen; fluorouracil; follow-up; flux unit [ion]; fractional urinaly... |
| LD | 1) Lamina Densa 2) Lymphocyte Depletion 3) Lethal Dose; 치사... |
| LD50 | Median Lethal Dose; 반치사량 |