Koltka, K. Et Al. 2009. Comparison of equipotent doses of ropivacaine-fentanyl and bupivacaine-fentanyl in spinal anaesthesia for lower abdominal surgery.. Anaesthesia and intensive care , vol.37, no.6 , 923-8.

Koltka, K., Uludag, E., Senturk, M., Yavru, A., Karadeniz, M., Sengul, T., ... Ozyalcin, S.(2009). Comparison of equipotent doses of ropivacaine-fentanyl and bupivacaine-fentanyl in spinal anaesthesia for lower abdominal surgery.. Anaesthesia and intensive care , vol.37, no.6, 923-8.

Koltka, Ahmet Et Al. "Comparison of equipotent doses of ropivacaine-fentanyl and bupivacaine-fentanyl in spinal anaesthesia for lower abdominal surgery.," Anaesthesia and intensive care , vol.37, no.6, 923-8, 2009

Koltka, Ahmet K. Et Al. "Comparison of equipotent doses of ropivacaine-fentanyl and bupivacaine-fentanyl in spinal anaesthesia for lower abdominal surgery.." Anaesthesia and intensive care , vol.37, no.6, pp.923-8, 2009

Koltka, K. Et Al. (2009) . "Comparison of equipotent doses of ropivacaine-fentanyl and bupivacaine-fentanyl in spinal anaesthesia for lower abdominal surgery.." Anaesthesia and intensive care , vol.37, no.6, pp.923-8.

@article{article, author={Ahmet Kemalettin KOLTKA Et Al. }, title={Comparison of equipotent doses of ropivacaine-fentanyl and bupivacaine-fentanyl in spinal anaesthesia for lower abdominal surgery.}, journal={Anaesthesia and intensive care}, year=2009, pages={923-8} }