| IR | drop of voltage across a resistor produced by a current; ileal resection; immune response; immunizat... |
|---|---|
| PR | by way of the rectum [Lat. per rectum]; far point [of accommodation] [Lat. punctum remotum]; palindr... |
| RVR | reduced vascular response; renal vascular resistance; repetitive ventricular response; resistance to... |
| SER | sebum excretion rate; sensitizer enhancement ratio; sensory evoked response; service; smooth endopla... |
| SIRS | soluble immune response suppressor; Structured Interview of Reported Symptoms; systemic inflammatory... |