Trettene A dos S, Luiz AG, Razera APR, Maximiano T de O, Cintra FMRN, Monteiro LM. Nursing workload in specialized Semi-intensive Therapy unit: workforce size criteria . Rev. Esc. Enferm. USP. 2015;49(6):958-963. doi:10.1590/S0080-623420150000600012