Nichiata, L. Y. I.; Bertolozzi, M. R.; Takahashi, R. F.; Fracolli, L. A. The Use of the "vulnerability" Concept in the Nursing Area. Rev. Latino-Am. Enferm. 2008, 16 (5), 923-928. https://doi.org/10.1590/S0104-11692008000500020.