| ATH | acetyl-tyrosine hydrazide |
|---|---|
| NAA | N-acetyl aspartate; naphthaleneacetic acid; neutral amino acid; neutron activation analysis; neutrop... |
| NAA/Cr | N-acetyl aspartate/creatine [ratio] |
| NAAP | N-acetyl-4-amino-phenazone |
| NAG | N-acetyl-D-glucosaminidase; narrow-angle glaucoma; nonagglutinable |