Valim, R.V.R.L.M. and Maciel, T.M.F.B. 2019. The importance of preliminary fieldwork systematized by the CNS Resolution nº 510 in defining the Foundations of Psychosocial Research. Saúde Ética & Justiça . 23, 1 (May 2019), 11–20. DOI:https://doi.org/10.11606/issn.2317-2770.v23i1p11-20.