Kołpa, M. ., Jankowicz-Szymańska, . A., & Mikołajczyk, . E. . (2015). The Effect of Selected Factors on the Intensity of Low-back Pain within Six Months from the Complaint Onset. The Journal of Neurological and Neurosurgical Nursing, 4(1), 24–29. https://doi.org/10.15225/PNN.2015.4.1.4