| Label | Id | |
|---|---|---|
| mcg | CONC:NCI_CDISC | |
| microgram | CONC:NCI_NCI-GLOSS | |
| MICROGRAM | CONC:NCI_FDA | |
| microgram | CONC:MTH | |
| ng | CONC:NCI | |
| Nanogram | CONC:NCI | |
| nanogram | CONC:MTH | |
| ng | CONC:CHV | |
| nanogram (ng) | CONC:CHV | |
| nanograms | CONC:CHV | |
| nanogram | CONC:CHV | |
| nanogram | CONC:NCI_UCUM | |
| Nanogram | CONC:NCI_CDISC | |
| nanogram(s) | CONC:NCI_ICH | |
| NANOGRAM | CONC:NCI_FDA |