| AES | acetone-extracted serum; American Electroencephalographic Society; American Encephalographic Society... |
|---|---|
| RCS | rabbit aorta-contracting substance; red cell suspension; reticulum cell sarcoma; right coronary sinu... |
| ACN | acute conditioned neurosis; Ambulatory Care Network; American College of Neuropsychiatrists; America... |
| ACNM | American College of Nuclear Medicine; American College of Nurse-Midwives |
| ACR | abnormally contracting region; absolute catabolic rate; acriflavine; adenomatosis of colon and rectu... |