@misc{Drop_Barbara._Microelement,
 author={Drop, Barbara.},
 howpublished={online},
 publisher={nakładem Uniwersytetu Marii Curie-Skłodowskiej},
 publisher={Akademia Medyczna},
 language={eng},
 type={artykuł},
 title={Microelement content in teeth with and without caries in people over 50 years of age},
 keywords={medycyna, nauki medyczne},
}