@misc{_1969,
 volume={41},
 number={6},
 copyright={Creative Commons Attribution BY 4.0 license},
 address={Warszawa},
 journal={Polski Przegląd Chirurgiczny},
 howpublished={online},
 year={1969},
 publisher={PZWL},
 language={pol},
 type={Text},
 URL={http://rcin.org.pl/Content/81263/PDF/Zaburzenia.pdf},
}