| PP | diphosphate group; emphysema [pink puffers]; near point of accommodation [Lat. punctum proximum]; pa... |
|---|---|
| ROP | removal of pins or plates; removal of plaster [of Paris]; retinopathy of prematurity; right occipito... |
| ABR | Absolute Bed Rest |
| ABO | abortion; absent bed occupancy; American Board of Orthodontists; blood group system consisting of gr... |
| ABR | abortus Bang ring [test]; absolute bed rest; auditory brainstem response |