| NAD | neutrophil actin dysfunction; new antigenic determinant; nicotinamide adenine dinucleotide; nicotini... |
|---|---|
| OAS | old age security; oral allergy syndrome; osmotically active substance |
| PAPUFA | physiologically active polyunsaturated fatty acid |
| PAR | participating provider; passive avoidance reaction; perennial allergic rhinitis; photosynthetically ... |
| PDHa | pyruvate dehydrogenase in active form |