@ARTICLE{Plackowska_Małgorzata_The_2011,
 author={Plackowska, Małgorzata},
 number={No 53},
 journal={Acta Biologica Cracoviensia s. Zoologia},
 howpublished={online},
 year={2011},
 publisher={Polish Academy of Sciences – Cracow Branch},
 title={The Effect of Exogenous Melatonin on the Concentration of Calcium Ions in Mice Blood Serum (Short Communication)},
 URL={http://journals.pan.pl/Content/81648/mainfile.pdf},
}