Watson, J. . “Caring As the Essence and Science of Nursing and Health Care: DOI: 10.15343/0104-7809.200933.2.2”. O Mundo Da Saúde, vol. 33, no. 2, Apr. 2009, pp. 143-9, https://revistamundodasaude.emnuvens.com.br/mundodasaude/article/view/764.