Gursel, G. Et Al. 1997. Comparison of sputum and serum eosinophil cationic protein (ECP) levels in nonatopic asthma and chronic obstructive pulmonary disease.. The Journal of asthma : official journal of the Association for the Care of Asthma , vol.34, no.4 , 313-9.

Gursel, G., Turktas, H., Gokcora, N., & Tekin, I., (1997). Comparison of sputum and serum eosinophil cationic protein (ECP) levels in nonatopic asthma and chronic obstructive pulmonary disease.. The Journal of asthma : official journal of the Association for the Care of Asthma , vol.34, no.4, 313-9.

Gursel, GÜL Et Al. "Comparison of sputum and serum eosinophil cationic protein (ECP) levels in nonatopic asthma and chronic obstructive pulmonary disease.," The Journal of asthma : official journal of the Association for the Care of Asthma , vol.34, no.4, 313-9, 1997

Gursel, GÜL Et Al. "Comparison of sputum and serum eosinophil cationic protein (ECP) levels in nonatopic asthma and chronic obstructive pulmonary disease.." The Journal of asthma : official journal of the Association for the Care of Asthma , vol.34, no.4, pp.313-9, 1997

Gursel, G. Et Al. (1997) . "Comparison of sputum and serum eosinophil cationic protein (ECP) levels in nonatopic asthma and chronic obstructive pulmonary disease.." The Journal of asthma : official journal of the Association for the Care of Asthma , vol.34, no.4, pp.313-9.

@article{article, author={GÜL GÜRSEL Et Al. }, title={Comparison of sputum and serum eosinophil cationic protein (ECP) levels in nonatopic asthma and chronic obstructive pulmonary disease.}, journal={The Journal of asthma : official journal of the Association for the Care of Asthma}, year=1997, pages={313-9} }