@ARTICLE{
author={Sills ES,Vrbikova J,Kastratovic-Kotlica Biljana A},
year={2001},
title={Conjoined twins, conception, pregnancy, and delivery: A reproductive history of the pygopagus Blazek sisters (1878-1922)},
journal={AMERICAN JOURNAL OF OBSTETRICS AND GYNECOLOGY},
volume={185},
number={6},
pages={1396-1402},
document_type={Article},
}