| ORS | olfactory reference syndrome; oral rehydration solution; oral surgery, oral surgeon; Orthopaedic Res... |
|---|---|
| LAS | laboratory automation system; lateral amyotrophic sclerosis; laxative abuse syndrome; left anterior-... |
| lax | laxative; laxity |
| lax | oc laxative of choice |
| LOC | laxative of choice; level of consciousness; liquid organic compound; locus of control; loss of consc... |