MARIA JOARA DA SILVA, JOSÉ DIEGO MARQUES SANTOS, VANESSA MARIA OLIVEIRA VIANA, INEZ SAMPAIO NERY. Doctrinal principles of Unified Health System in an obstetric center by nursing students. Rev Enferm UFPI, [S. l.], v. 7, n. 4, 2020. Disponível em: https://periodicos.ufpi.br/index.php/reufpi/article/view/533. Acesso em: 22 jul. 2024.