| PSF | peak scatter factor; peptide supply factor; point spread function; pseudosarcomatous fasciitis |
|---|---|
| y | Greek letter psi; wave function |
| QENF | quantifying examination of neurologic function |
| RFT | respiratory function test; rod-and-frame test; right frontotransverse [fetal position] |
| SELF | Self-Evaluation of Life Function [scale] |