TY  - RPRT
TI  - Swedish early separated twins: identification and characterization.
AU  - N L Pedersen
AU  - L Friberg
AU  - B Floderus-Myrhed
AU  - G E McClearn
AU  - R Plomin
PY  - 1984
DO  - 10.1017/s0001566000007285
UR  - https://pubmed.ncbi.nlm.nih.gov/6540957/
ID  - 6540957
ER  -