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Tais Viana Ledo de Oliveira, Fabrícia Almeida Fernandes Santana, Caline Novais Teixeira Oliveira, Maria Luísa Cordeiro Santos, Fabrício Freire de Melo, Cláudio Lima Souza, Márcio Vasconcelos Oliveira 
World J Obstet Gynecol 9(1):11-17. Published online Dec 6, 2020. doi: 10.5317/wjog.v9.i1.11