Results 111 to 120 of about 701,519 (151)

[Analysis of the prevalence and influencing factors of myopia among primary and secondary school students in Inner Mongolia Autonomous Region in 2022]. [PDF]

open access: yesBeijing Da Xue Xue Bao Yi Xue Ban
Lu L   +11 more
europepmc   +1 more source

[Safety and efficacy of pulsed radiofrequency therapy for zoster-associated trigeminal neuralgia under general anesthesia]. [PDF]

open access: yesZhong Nan Da Xue Xue Bao Yi Xue Ban
Zhang J   +9 more
europepmc   +1 more source

超宽频低相位噪声的集成电感电容压控振荡器

open access: yes
本发明公开了一种集成电感电容压控振荡器,包括:四个可编程的负阻型LC振荡核心电路;一个与该四个可编程的负阻型LC振荡核心电路相连接的公共输出级;以及一个电流大小可编程的偏置模块,该偏置模块通过受控开关连接于该四个可编程的负阻型LC振荡核心电路。本发明的集成电感电容压控振荡器与普通压控振荡器相比,在调谐范围、相位噪声等方面具有明显的优势 ...
兰晓明, 石寅, 颜峻
core  

[Comparison of effectiveness between endoscopic and microscopic anterior cervical discectomy and fusion]. [PDF]

open access: yesZhongguo Xiu Fu Chong Jian Wai Ke Za Zhi
Huang C   +9 more
europepmc   +1 more source

[Rehabilitation guidelines and specifications for traumatic spinal cord injury (2025 edition)]. [PDF]

open access: yesZhongguo Xiu Fu Chong Jian Wai Ke Za Zhi
Professional Committee Of Spine And Spinal Cord Injury Rehabilitation China Association Of Rehabilitation Of Disabled Persons   +3 more
europepmc   +1 more source

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