| An efficient needle injection technique and radiological guidance method for percutaneous procedures Recent countries visiting this post |  |
 | 7 | United States |
 | 1 | Japan |
 | 1 | Ukraine |
 | 1 | Singapore |
| An efficient needle injection technique and radiological guidance method for percutaneous procedures Recent countries visiting this post | |
| 7 | United States |
| 1 | Japan |
| 1 | Ukraine |
| 1 | Singapore |