Fugulin, Fernanda Maria Togeiro, et al. “ Nursing Staff in the Internal Medicine and Surgical Units of Teaching Hospitals: Composition and Cost ”. Revista Da Escola De Enfermagem Da USP, vol. 49, no. spe2, Dec. 2015, pp. 48-54, https://doi.org/10.1590/S0080-623420150000800007.