共 50 条
- [44] Intraoperative evaluation of cervical nerve root avulsion using ultra-high-frequency ultrasound system CASE REPORTS IN PLASTIC SURGERY AND HAND SURGERY, 2019, 6 (01): : 43 - 46
- [45] STUDY OF ULTRA-HIGH-FREQUENCY TUBES BY DIMENSIONAL ANALYSIS PROCEEDINGS OF THE INSTITUTE OF RADIO ENGINEERS, 1945, 33 (10): : 663 - 666
- [46] The production of ultra-high-frequency oscillations by means of diodes BELL SYSTEM TECHNICAL JOURNAL, 1939, 18 (02): : 280 - 291