| PMA | index of prevalence and severity of gingivitis, where P = papillary gingiva, M = marginal gingiva, a... |
|---|---|
| PRT | Penicillium roqueforti toxin; pharmaceutical research and testing; phosphoribosyl transferase; posto... |
| AAHSLD | Association of Academic Health Sciences Library Directors |
| AHS | Academy of Health Sciences; African horse sickness; alveolar hypoventilation syndrome; American Hear... |
| AIBS | American Institute of Biological Sciences |