Ortiz Contreras, J. et al. 2020. Maternal and perinatal outcomes of peruvian pregnant women in Chile: exploring the healthy immigrant effect. Revista Peruana de Medicina Experimental y Salud Pública. 37, 4 (Nov. 2020), 654–61. DOI:https://doi.org/10.17843/rpmesp.2020.374.6098.