@article{article1481, title = {}, author = {Ünlü, Y. and Yiğitbaşı, G. and Cemiloğlu, R. and Erkan, M. and Külahlı, I. and Tolu, I.}, journal = {Journal of Clinical Practice and Research}, year = {1990}, volume = {12}, pages = {430-435}, doi = {} }