Apolônio, F. R.; Pontes, C. M.; Perrelli, J. G. A.; Sousa, S. de M. A. de; Mendes, R. C. M. G.; Mangueira, S. de O.; Linhares, F. M. P. Content Validity of the Nursing Diagnosis Powerlessness in Women During Natural Childbirth*. Rev. Esc. Enferm. USP 2021, 55, e20210198. https://doi.org/10.1590/1980-220X-REEUSP-2021-0198.