| RRC | residency review committee; risk reduction component; routine respiratory care; Royal Red Cross; rur... |
|---|---|
| s | Greek lower case letter sigma; conductivity; cross section; millisecond; molecular type or bond; pop... |
| TLX | trophoblast-lymphocyte cross-reactivity |
| Xfb | cross-linked Gibrin |
| XS | cross-section; excessive; xiphisternum |