| NA | Avogadro constant or number; nalidixic acid; Narcotics Anonymous; network administrator; neuraminida... |
|---|---|
| NaERC | sodium efflux rate constant |
| pK | negative logarithm of the dissociation constant; plasma potassium |
| pK' | apparent value of a pK; negative logarithm of the dissociation constant of an acid |
| pKa | negative logarithm of the acid ionization constant |
| LVETI | Left ventricular ejection time index |
|---|---|
| LTPA | Leisure Time Physical Activity |
| LDT | Lymphocyte doubling time |
| MALDI-TOF MS | Matrix Assisted Laser Desorption Ionization Time of Flight Mass Spectrometry |
| MALDI-TOF | Matrix-assisted laser desorption ionization time-of-flight |