各位讀者您好：
因為雲端方服務終止，導致上述書籍內的QR Code 無法導向，若造成您的困擾，深感抱歉！
另外附上已更新書本內的 QR Code，您可以通過掃描來觀看影片。
Dear Readers:
Due to the termination of our cloud service, the QR codes in the above books are no longer available.
We apologize for any inconvenience this may cause you!
Attached is the QR code in the updated book, which you can scan to view the video.
Post-Stroke Spasticity: Case-Oriented Learning of Ultrasound-Guided Botulinum Toxin Injection QR code renew
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