如果您無法觀看此影片,您的瀏覽器可能不支援 HTML5 視訊技術
要觀看此影片必須開啟 JavaScript,請確認瀏覽器已經設定正確supports HTML5 video
Thanks for watching.
This is Version 27 of this video... last updated on March 15, 2022
We are still making some revisions before this video officially goes live. If you find anything that should be fixed, please email: info@doctorstalk.ch