TY  - RPRT
TI  - Reliably separating identical from fraternal twins.
AU  - D J Cohen
AU  - E Dibble
AU  - J M Grawe
AU  - W Pollin
PY  - 1975
DO  - 10.1001/archpsyc.1975.01760290039004
UR  - https://pubmed.ncbi.nlm.nih.gov/1239251/
ID  - 1239251
ER  -