Andrade, J.F.A. de, Silva, H.C. da, Xavier, T.B., Raio, S.E.P., Andrade, M. de A.H. de and Pantoja, M. de S. 2017. Nutritional profile of mothers of premature infantis and evaluation of different risk factors and nutritional deficiencies related to preterm birth: systematic review. Pará Research Medical Journal. 1, 4 (Dec. 2017), 1–7. DOI:https://doi.org/10.4322/prmj.2017.041.