Ducci AJ, Zanei SSV, Whitaker IY. Nursing workload to verify nurse/patient ratio in a cardiology ICU. Rev. Esc. Enferm. USP [Internet]. 2008 Dec. 1 [cited 2024 May 4];42(4):673-80. Available from: https://revistas.usp.br/reeusp/article/view/41787