| LSA | Left Subclavian Artery |
|---|---|
| LSA | left sacro-anterior [fetal position]; left subclavian artery; leukocyte-specific activity; lichen sc... |
| LSC | late systolic click; left side colon cancer; left subclavian; lichen simplex chronicus; liquid scint... |
| LSV | lateral sacral vein; left subclavian vein; longitudinal sound velocity |
| RSA | rabbit serum albumin; regular spiking activity; relative specific activity; relative standard accura... |