Sousa-Muñoz, R.L. de et al. 2015. Prevalence of Pain. and analgesic therapy adequacy in patients hospitalized in a university hospital. Medicina (Ribeirao Preto). 48, 6 (Dec. 2015), 539–548. DOI:https://doi.org/10.11606/issn.2176-7262.v48i6p539-548.