Carnevale, Francisco Cesar; Borges, Marcus Vinicius; Affonso, Breno Boueri; Pinto, Ricardo Augusto de Paula; Tannuri, Uenis; Maksoud, João Gilberto (April 2006). "Importance of angiographic study in preoperative planning of conjoined twins: case report". Clinics61 (2): 167–70. doi:10.1590/S1807-59322006000200013. PMID16680335.
Spencer, Rowena (December 1995). "Rachipagus conjoined twins: They really do occur!". Teratology52 (6): 346–356. doi:10.1002/tera.1420520605. PMID8711621.
Kompanje, Erwin J. O. (December 1, 2004). "The First Successful Separation of Conjoined Twins in 1689: Some Additions and Corrections". Twin Research7 (6): 537–541. doi:10.1375/1369052042663760. PMID15607002.
Stone, James L.; Goodrich, James T. (May 1, 2006). "The craniopagus malformation: classification and implications for surgical separation". Brain129 (5): 1084–1095. doi:10.1093/brain/awl065. PMID16597654.
Appel, Jacob M. (September 2000). "Ethics: English High Court Orders Separation of Conjoined Twins". The Journal of Law, Medicine & Ethics28 (3): 312–313. doi:10.1111/j.1748-720x.2000.tb00678.x. PMID11210387.
Bondeson, Jan (April 1992), „The Biddenden Maids: a curious chapter in the history of conjoined twins“, Journal of the Royal Society of Medicine, London: Royal Society of Medicine Press, 85 (4): 217–221, doi:10.1177/014107689208500413, PMC1294728, PMID1433064
Carnevale, Francisco Cesar; Borges, Marcus Vinicius; Affonso, Breno Boueri; Pinto, Ricardo Augusto de Paula; Tannuri, Uenis; Maksoud, João Gilberto (April 2006). "Importance of angiographic study in preoperative planning of conjoined twins: case report". Clinics61 (2): 167–70. doi:10.1590/S1807-59322006000200013. PMID16680335.
Spencer, Rowena (December 1995). "Rachipagus conjoined twins: They really do occur!". Teratology52 (6): 346–356. doi:10.1002/tera.1420520605. PMID8711621.
Kompanje, Erwin J. O. (December 1, 2004). "The First Successful Separation of Conjoined Twins in 1689: Some Additions and Corrections". Twin Research7 (6): 537–541. doi:10.1375/1369052042663760. PMID15607002.
Stone, James L.; Goodrich, James T. (May 1, 2006). "The craniopagus malformation: classification and implications for surgical separation". Brain129 (5): 1084–1095. doi:10.1093/brain/awl065. PMID16597654.
Appel, Jacob M. (September 2000). "Ethics: English High Court Orders Separation of Conjoined Twins". The Journal of Law, Medicine & Ethics28 (3): 312–313. doi:10.1111/j.1748-720x.2000.tb00678.x. PMID11210387.
Bondeson, Jan (April 1992), „The Biddenden Maids: a curious chapter in the history of conjoined twins“, Journal of the Royal Society of Medicine, London: Royal Society of Medicine Press, 85 (4): 217–221, doi:10.1177/014107689208500413, PMC1294728, PMID1433064
Bondeson, Jan (April 1992), „The Biddenden Maids: a curious chapter in the history of conjoined twins“, Journal of the Royal Society of Medicine, London: Royal Society of Medicine Press, 85 (4): 217–221, doi:10.1177/014107689208500413, PMC1294728, PMID1433064