Links[1] https://www.ctsnet.org/user/login?destination=user/452288 [2] https://www.ctsnet.org/print/home/rchihara [3] https://www.ctsnet.org/article/robotic-assisted-retrosternal-thyroidectomy [4] https://www.ctsnet.org/articles/rchihara [5] https://www.ctsnet.org/society/ctsnet