@misc{misc88cc66de,
title   = {Unusual presentation of a sacral parasitic conjoined twin...[Carta]},
author = {Okumura, Maria and Liao, Adolfo Wenjaw and Brizot, Maria de Lourdes and Zugaib, Marcelo and Schultz, Regina},
year = {2011},
journal   = {Journal of ultrasound in medicine}
}