| Forced expiratory volume in one second/Forced expiratory volume in six seconds ratio (observable entity) | | Forced expiratory volume in one second/Forced expiratory volume in six seconds ratio | | FEV1 (forced expiratory volume in 1 second)/FEV6 (forced expiratory volume in 6 seconds) ratio
|
| | Id | 702534005 | | Status | Primitive |
|
