TY  - RPRT
TI  - The twinning connection.
AU  - C H Irvine
PY  - 1983
DO  - 10.1111/j.2042-3306.1983.tb01799.x
UR  - https://pubmed.ncbi.nlm.nih.gov/6641675/
ID  - 6641675
ER  -