| Acronym | Meaning |
| PGA | Prostaglandin A |
| DSA | Digital Subtraction Angiography |
| CNPPA | Commission On National Parks And Protected Areas |
| SCCEH | Self-consistent Charge Extended Hueckel Method |
| SSER | Spinless Salpeter Equation (with) Retardation |
| TEAS | Thermal Energy Atom Scattering |
| LAMMA | Laser Microprobe Mass Analysis |
| SADVR | Symmetry-adapted Discrete Variable Representation (in Mol. Wave Function Calcn. For Nuclear Motion On A Given PES) |
| MMI | Mucous Membrane Effects |
| SNO | Spin Natural Orbital |