Links
[1] https://www.ctsnet.org/user/login?destination=user/535281
[2] https://www.ctsnet.org/print/home/reinhold-perkmann
[3] https://www.ctsnet.org/article/video-assisted-thoracoscopic-first-rib-resection-craniotome-novel-approach-venous-thoracic
[4] https://www.ctsnet.org/articles/Reinhold%20Perkmann
[5] https://www.ctsnet.org/society/ctsnet