BUTKOVIĆ, D. Analgesics and palliative care – integration into clinical practice. Paediatria Croatica, [S. l.], v. 53, n. 4, p. 265–271, 2009. DOI: 10.13112/pc.864. Disponível em: https://paedcro.izahost.com/index.php/paedcro/article/view/864. Acesso em: 15 dec. 2025.