Schreck, Rafaela Siqueira Costa, et al. “History of Obstetric Nursing at the Nursing School Carlos Chagas: An Analysis Based on the Freidsonian Approach”. Revista Da Escola De Enfermagem Da USP, vol. 55, June 2021, p. e03762, https://doi.org/10.1590/S1980-220X2020014703762.