| AAGP | American Academy of General Practice; American Association for Geriatric Psychiatry |
|---|---|
| AAHA | American Academy of Hospital Attorneys; American Association of Homes for the Aging |
| AAHC | American Academy of Healthcare Consultants; Association of Academic Health Centers |
| AAID | American Academy of Implant Dentures |
| AAM | acute aseptic meningitis; American Academy of Microbiology; amino acid mixture; African American Mal... |
| NIBSC | National Institute for Biological Standards and Control |
|---|---|
| NICE | National Institute for Clinical Excellence |
| NIOSH | National Institute for Occupational Safety and Health |
| NIA | National Institute of Aging |
| NIAAA | National Institute of Alcohol Abuse and Alcoholism |