| Rf | in paper or thin-layer chromatography, the distance that a spot of a substance has moved from the po... |
|---|---|
| Rst | in paper or thin layer chromatography, the distance that a spot of a substance has moved, relative t... |
| AID | 1) Artificial Insemination Donor 2) Donor Artificial Insemination |
| A&A | aid and attendance; awake and aware |
| AB | abdominal; abnormal; abortion; Ace bandage; active bilaterally; aid to the blind; alcian blue; alert... |