TY  - RPRT
TI  - Research on twins: implications for parenting.
AU  - J Showers
AU  - J T McCleery
DO  - 10.1111/j.1365-2214.1984.tb00195.x
UR  - https://pubmed.ncbi.nlm.nih.gov/6398133/
ID  - 6398133
ER  -