Oliveira, Larissa Bertacchini de, et al. “ Assessment of Workload in the Postoperative Period of Cardiac Surgery According to the Nursing Activities Score ”. Revista Da Escola De Enfermagem Da USP, vol. 49, no. spe, Dec. 2015, pp. 80-86, https://doi.org/10.1590/S0080-623420150000700012.