@article{article9e8de390,
title   = {Conjoined twins: report of a Brazilian twin belonging to the category duplicatas incompleta, an atypical parasite twinning type},
author = {Richieri-Costa, Antonio and Guion-Almeida, Maria Leine and Frederigue Junior, Ulisses},
year = {1993},
journal   = {Birth Defects Original Article Series}
}