@article{article_125245, title={THE DATABASE FORMATION AND STATISTICAL MODELLING FOR VALVULAR OPERATIONS AT KOSUYOLU HEART AND RESEARCH HOSPITAL}, journal={Koşuyolu Kalp Dergisi}, volume={2}, pages={156–164}, year={1997}, author={Bozbuğa, N. and Akıncı, E. and Işık, O. and Yakut, C.}, number={4}, publisher={Kartal Koşuyolu Yüksek İhtisas EAH}