Factors associated with depression during pregnancy in women from a low socioeconomic level: A hierarchical model approach. 

G. Cormick,S. Puppo,P. F. Vazquez,L. Gibbons,R. Rodriguez,M. V. Bosio,L. Cano-Leon,L. Villareal,M. Correa,P. Rozic,J. M. Belizán,J. A. Schvartzman and F. M. Daray. Factors associated with depression during pregnancy in women from a low socioeconomic level: A hierarchical model approach. Psychiatry Res. 2021;298:10.1016/j.psychres.2021.113798.