HISTORY Started by Lars Friberg and Rune Cederlöf in the late 1950 s Church records of twin births 18861925 All identified same sex twins contacted during the 1960s Today all alive Swedish born twins aged 10 or more have been contacted and asked for participation ID: 428203
Download Presentation The PPT/PDF document "Swedish Twin Registry - STR" is the property of its rightful owner. Permission is granted to download and print the materials on this web site for personal, non-commercial use only, and to display it on your personal computer provided you do not modify the materials and that you retain all copyright notices contained in the materials. By downloading content from our website, you accept the terms of this agreement.