BIAŁY, M.; DZIEWOŃSKA, A.; SROKA- BUSZYDLIK, M. Reliability of measurement of lumbar multifidus thickness using ultrasonography. European Journal of Clinical and Experimental Medicine, [S. l.], v. 11, n. 2, p. 172–182, 2013. Disponível em: https://journals.ur.edu.pl/ejcem/article/view/12678. Acesso em: 14 mar. 2026.