TY  - RPRT
TI  - Quantifying and addressing parameter indeterminacy in the classical twin design.
AU  - Matthew C Keller
AU  - William L Coventry
PY  - 2005
DO  - 10.1375/1832427054253068
UR  - https://pubmed.ncbi.nlm.nih.gov/15989748/
ID  - 15989748
ER  -