Monguilhott, J.J. da C. et al. 2018. Nascer no Brasil: the presence of a companion favors the use of best practices in delivery care in the South region of Brazil. Revista de Saúde Pública. 52, (Jan. 2018), 100. DOI:https://doi.org/10.11606/S1518-8787.2018052006258.