Adverse pregnancy and perinatal outcomes in Latin America and the Caribbean: systematic review and meta-analysis oleh Estela Blanco, Marcela Marin, Loreto Nuñez, Erika Retamal, Ximena Ossa, Katherine E. Woolley, Tosin Oludotun, Suzanne E. Bartington, Juana Maria Delgado-Saborit, Roy M. Harrison, Pablo Ruiz-Rudolph, María Elisa Quinteros