Via cranial bone (qualifier value)
| Code | 311836004 |
|---|---|
| Semantic tag | qualifier value |
| Module | international |
| Definition | primitive |
| Effective time | 20020131 |
129230001Transcranial approach
qualifier value
260627006Transethmoidal approach
qualifier value
65519007Transfrontal approach
qualifier value
260631000Transmastoid approach
qualifier value
261453000Transpetrosal approach
qualifier value
112237001Transsphenoidal approach
qualifier value