| LSK | liver, spleen, kidneys |
|---|---|
| LSKM | liver-spleen-kidney-megalia |
| LSR | lanthanide shift reagent; lecithin/ sphingomyelin ratio; left superior rectus [muscle]; liver/spleen... |
| PSE | paradoxical systolic expansion; penicillin-sensitive enzyme; portal systemic encephalopathy; Present... |
| RSC | rat spleen cell; rested state contraction; reversible sickle-cell; right subclavian |