| Label | Id | |
|---|---|---|
| cm2 | CONC:NCI_UCUM | |
| SQUARE CENTIMETER | CONC:NCI_FDA | |
| square centimeter | CONC:NCI_ICH | |
| cm2 | CONC:NCI_ICH | |
| cm2 | CONC:NCI_CDISC | |
| Square Centimeter | CONC:NCI_CDISC | |
| Frequency Unit | CONC:NCI | |
| Unit of Frequency | CONC:NCI | |
| Hz | CONC:NCI | |
| Hertz | CONC:NCI | |
| Cycle per Second | CONC:NCI | |
| Hertz (Hz) | CONC:MTH | |
| hertz (Hz) | CONC:CHV | |
| hz | CONC:CHV | |
| hertz | CONC:CHV |