| NASA | National Aeronautics and Space Administration |
|---|---|
| NHTSA | National Highway Traffic Safety Administration |
| NTIA | National Telecommunications and Information Administration |
| PAS | para aminosalicylate; Parent Attitude Scale; patient administration system; patient appointments and... |
| SSA | salicylsalicylic acid; sicca syndrome A; skin-sensitizing antibody; skin sympathetic activity; Sjogr... |