Carvalho Vila, V. da S. and Mussi, F.C. 2001. Postoperative patient’s pain relief under perspective of Nurses of the intensive care unit. Revista da Escola de Enfermagem da USP. 35, 3 (Sep. 2001), 300–307. DOI:https://doi.org/10.1590/S0080-62342001000300015.