@article{Yayik2021_480516, author={Ahmet Murat Yayik and Ayşe nur Daş and sevim cesur and Ali Ahiskalioglu}, title={A randomized comparison between ultrasound-guided costoclavicular and infraclavicular block for upper extremity surgery}, year={2021}, journal={Turkish Journal of Medical Sciences}, issn={1300-0144}, volume={51}, number={4}, url={http://search/yayin/detay/480516} }