| GPA | Goodpasture antigen; grade point average; Group Practice Association; guinea pig albumin |
|---|---|
| NPA | National Pharmaceutical Association; National Pituitary Agency; near point accommodation; Nurse Prac... |
| ACP | accessory conduction pathway; acid phosphatase; acyl carrier protein; American College of Pathologis... |
| AMA | against medical advice; alkaline membrane assay; American Management Association; American Medical A... |
| ANA | acetylneuraminic acid; American Narcolepsy Association; American Neurological Association; American ... |