| LDS | Licentiate in Dental Surgery; locked door seclusion |
|---|---|
| LIS | laboratory information system; lateral intercellular space; left intercostal space; library informat... |
| PLL | peripheral light loss; phase-locked loop; poly-L-lysine; pressure length loop; posterior longitudina... |
| IF | idiopathic fibroplasia; idiopathic flushing; immersion foot; immunofluorescence; indirect fluorescen... |
| LFS | lateral facet syndrome; Li-Fraumeni syndrome; limbic forebrain structure; liver function series |