VÉLEZ ÁNGEL, María Clara. Familia y dolor crónico no neoplásico. Medicina UPB, [S. l.], v. 17, n. 1, p. 63–68, 1998. Disponível em: https://upb.scimago.es/index.php/medicina/article/view/4070. Acesso em: 21 oct. 2026.