@ARTICLE{Rapacz_Anna_Effect_2011,
 author={Rapacz, Anna and Librowski, Tadeusz and Pytka, Karolina and Dudek, Magdalena and Sałat, Kinga and Filipek, Barbara and Marona, Henryk and Szkaradek, Natalia},
 number={No 53},
 journal={Acta Biologica Cracoviensia s. Zoologia},
 howpublished={online},
 year={2011},
 publisher={Polish Academy of Sciences – Cracow Branch},
 title={Effect of New Xanthone Derivatives on the Level of Endogenous Nitric Oxide in Some Tissue Homogenates in Rats},
 URL={http://www.czasopisma.pan.pl/Content/81644/mainfile.pdf},
}