| NLA | National Leukemia Association; neuroleptoanesthesia; normal lactase activity |
|---|---|
| NLDL | normal low-density lipoprotein |
| NLS | Names Learning Test; Neu-Laxova syndrome; nonlinear least squares; normal lymphocyte supernatant |
| NLT | normal lymphocyte transfer; not less than; nucleus lateralis tuberis |
| NMI | no mental illness; normal male infant |