@article{yigit2021_506767, author={sule yigit and HASAN TOLGA CELIK and Murat Yurdakok and Ahmet Öktem}, title={Comparison of four different non-invasive respiratorysupport techniques as primary respiratory support inpreterm infants}, year={2021}, journal={Turkish Journal of Pediatrics}, issn={0041-4301}, volume={63}, number={1}, url={http://search/yayin/detay/506767} }