@article{doi:,
author = {Çınar, Surhan Özer and Oba, Sibel and Paksoy, Inci and Ekşioğlu, Birsen and Özbağrıaçık, Özgür and Türkoğlu, Leyla},
title = {Comparison of the effectiveness in Patient Control Analgesia with fentanyl or tramadol},
journal = {Med Bull Sisli Etfal Hosp},
volume = {35},
number = {4},
pages = {23-27},
year = {2001},
doi = {},
note ={doi: },

URL = {https://dx.doi.org/},
eprint = {https://dx.doi.org/}
}