| PTPI | posttraumatic pulmonary insufficiency |
|---|---|
| PVI | patient video interview; peripheral vascular insufficiency; perivascular infiltration; positron volu... |
| RI | radiation intensity; radioactive isotope; radioimmunology; recession index; recombinant inbred [stra... |
| SRI | serotonin reuptake inhibitor; severe renal insufficiency; sorcin; Stanford Research Institute; struc... |
| TI | inversion time; temporal integration; terminal ileum; thalassemia intermedia; therapeutic index; tho... |