@misc{Szerla_Małgorzata_Exercise_2017,
 author={Szerla, Małgorzata and Ortenburger, Dorota and Kluszczyński, Marek and Wyszomierska, Jowita Karina},
 type={artykuł},
 publisher={Projack},
 title={Exercise and psychological factors in low back pain},
 address={Częstochowa},
 year={2017},
 language={eng},
}