| LIF | laser-induced fluorescence; left iliac fossa; left index finger; leukemia-inhibiting factor; leukocyte inhibitory factor; leukocytosis-inducing factor |
|---|---|
| LIFE | lung imaging fluorescence endoscope |
| LIFO | last in, first out |
| LIFR | leukemia inhibitory factor receptor |
| LIFT | lymphocyte immunofluorescence test |