@misc{misc5d2e988f, title = {Ultrasonographic markers of malignancy on benign gestational trophoblastic disease versus chrorionic gonadotropin: a comparative analysis of the methodologies in the prognosis of the disease}, author = {Machado, José Cassiano and Berezowski, Aderson Tadeu and Freitas, Maurício Mesquita Sabino de and Andrade, Jurandyr Moreira de and Carrara, Helio Humberto Angotti and Bighetti, Sérgio and Gomes, Uilho Antônio}, year = {1997}, booktitle = {Congress of World Federation for Ultrasound in Medicine and Biology} }