Pain as a vital sign in neonatal care: The experience with the Neonatal Infant Pain Scales (NIPS) in a high-risk public maternity hospital. Research, Society and Development, [S. l.], v. 15, n. 1, p. e6215150543, 2026. DOI: 10.33448/rsd-v15i1.50543. Disponível em: https://rsdjournal.org/rsd/article/view/50543. Acesso em: 3 feb. 2026.