Saes-Silva, E., Viero, V. dos S. F., Meller, F. de O. ., Schäfer, A. A. ., Canena, M. V., Saes, M. de O. and Dumith, S. C. (2021) “Acute and chronic back pain in adults and elderly in southern Brazil: A population-based study”, Scientia Medica, 31(1), p. e39824. doi: 10.15448/1980-6108.2021.1.39824.