Antczak-Komoterska A, Filipska K, Haor B, Ślusarz R. The Assessment of Sanatorium Treatment Impact on the Results Obtained in the Oswestry Questionnaire in the Areas of Sitting, Standing and Sleeping. JNNN [Internet]. 2018 Jun. 28 [cited 2024 Jul. 18];7(2):70-4. Available from: https://apcz.umk.pl/PNIN/article/view/38251