| NAP | nasion, point A, pogonion [convexity or concavity of the facial profile]; nerve action potential; ne... |
|---|---|
| OAD | obstructive airway disease; organic anionic dye |
| ENA | epithelial neutrophil-activating [protein]; extractable nuclear antigen |
| KAF | conglutinogen-activating factor; killer-assisting factor; kinase activating factor |
| LAF | laminar air flow; Latin American female; leukocyte-activating factor; lymphocyte-activating factor |