| AT-PAS | aldehyde-thionine-periodic acid Schiff [test] |
|---|---|
| CPHA-PAS | Commission on Professional and Hospital Activities-Professional Activity Study |
| PAS | para aminosalicylate; Parent Attitude Scale; patient administration system; patient appointments and... |
| Pas | pascal-second |
| PAS-C | para-aminosalicylic acid crystallized with ascorbic acid |