| SID | single intradermal [test]; Society for Investigative Dermatology; sucrase-isomaltase deficiency; sud... |
|---|---|
| AADR | American Academy of Dental Radiology |
| ACR | abnormally contracting region; absolute catabolic rate; acriflavine; adenomatosis of colon and rectu... |
| AHRA | American Hospital Radiology Administration |
| AOCR | American Osteopathic College of Radiology; American Osteopathic College of Rheumatology |