@misc{misc3bb06836,
title   = {Antiphospholipid syndrome and pregnancy: doppler velocimetry and perinatal results},
author = {Barros, V. V. and Aquino, Maria de Lourdes and Lucena, A. C. and Francisco, R. and Yamamoto, R. M. and Miyadahira, Seizo and Zugaib, Marcelo},
year = {1998},
booktitle   = {World Congress on Ultrasound in Obstetrics and Gynecology}
}