@misc{Krakowiak-Sarnowska_Elżbieta_Variability,
 author={Krakowiak-Sarnowska, Elżbieta},
 copyright={Krakowiak, Helena},
 copyright={Krakowiak-Sarnowska, Elżbieta},
 copyright={Szpinda, Michał},
 copyright={Wiśniewski, Marcin},
 howpublished={online},
 publisher={Wydawnictwo Via Medica},
 language={eng},
 type={artykuł},
 title={Variability of the azygos vein system in human foetuses},
}