| PES | Patient Escort Service; photoelectron spectroscopy; physicians' equity services; polyethylene sulfon... |
|---|---|
| QLS | Quality of Life Scale; quasielastic light-scattering spectroscopy |
| RAIS | reflection-absorption infrared spectroscopy |
| RELAY | relayed correlation spectroscopy |
| RFS | relapse-free survival; renal function study; rotating frame spectroscopy |