| FAC | familial adenomatosis coli; femoral arterial cannulation; ferric ammonium citrate; 5-fluorouracil, A... |
|---|---|
| NA | Avogadro constant or number; nalidixic acid; Narcotics Anonymous; network administrator; neuraminida... |
| NDA | National Dental Association; New Drug Application; no data available; no detectable activity; no det... |
| NIA | National Institute on Aging; nephelometric inhibition assay; niacin; no information available; Nutri... |
| SNA | specimen not available; Student Nurses Association |