| Acronym | Meaning |
| CHF | Congestive Heart Failure |
| CNDO/OPTIC | CI Method For Elec. Transition Moments Of The Optical Transition Of Large Mols. Based On CNDO/S Parametrization |
| IVC | Inferior Vena Cava |
| ARIAP | Acid Rain Impact Assessment Program |
| AIEMP | Ab Initio Environment Model Potential |
| PEF | Peak Expiratory Flow |
| BI | Bond Increment (method In Calcns. On Large Molecules) |
| IAP | Ion Activity Products |
| PCMCIA | Personal Computer Memory Card International Association |
| ENCS | Existing And New Chemical Substances |