STEEN, J.; LOEYS, T.; MOERKERKE, B.; VANSTEELANDT, S. medflex: An R Package for Flexible Mediation Analysis using Natural Effect Models. Journal of Statistical Software, [S. l.], v. 76, n. 11, p. 1–46, 2017. DOI: 10.18637/jss.v076.i11. Disponível em: https://www.jstatsoft.org/index.php/jss/article/view/v076i11. Acesso em: 18 apr. 2024.