The role of three-dimensional ultrasound in pregnancies submitted to cerclage - Borghi, Thais da Fonseca; Carvalho, Mario Henrique Burlacchini de; Amorim Filho, Antonio Gomes de; Martinelli, Silvio; Zugaib, Marcelo; Francisco, Rossana Pulcineli Vieira (Revista da associacao medica brasileira, 2018)