1. Spirit EH sonographic pathologic correlation;Kagan;placenta Am J Roentgenol,1979
2. Discrepancy in pathologic diagnosis of placental lesions;Sun;Arch Pathol Lab Med,2002
3. DA Diagnosis of placental abruption : relationship between clinical and histopathological findings;Elsasser;AM Eur Obstet Gynecol Reprod Biol,2010
4. Spirit EH sonographic pathologic correlation;Kagan;placenta Am J Roentgenol,1979
5. Etiology clinical manifestations and prediction of placental abruption;Tikkanen;Acta Obstet Gynecol Scand,2010