The identical twins who discovered their secret sibling - BBC Future
Surgeons use virtual reality to separate twins with conjoined heads in a 27-hour-long surgery
Living a conjoined life - BBC News
Longest-separated twins find each other - BBC News
Twin Sisters, Chinese Siblings Separated at Birth, Independent Lens
The Mixed-Up Brothers of Bogotá - The New York Times
Twins conjoined at head see each other for the first time after surgery - BBC News
Longest-separated twins find each other - BBC News
The controversial study that split up twins – BBC REEL