The effectiveness of the kangaroo mother method in reducing pain in premature newborns: a systematic review. Research, Society and Development, [S. l.], v. 11, n. 8, p. e20211830963, 2022. DOI: 10.33448/rsd-v11i8.30963. Disponível em: https://rsdjournal.org/rsd/article/view/30963. Acesso em: 5 dec. 2025.