| MLTI | mixed lymphocyte target interaction |
|---|---|
| MSBLA | mouse-specific B lymphocyte antigen |
| MSLA | mouse-specific lymphocyte antigen |
| NLS | Names Learning Test; Neu-Laxova syndrome; nonlinear least squares; normal lymphocyte supernatant |
| NLT | normal lymphocyte transfer; not less than; nucleus lateralis tuberis |