@misc{indiciaea95e462286cb,
  title = {Are twins' behavioural/emotional problems different from singletons'?},
  author = {I Moilanen and S L Linna and H Ebeling and K Kumpulainen and T Tamminen and J Piha and F Almqvist},
  year = {1999},
  doi = {10.1007/pl00010702},
  url = {https://pubmed.ncbi.nlm.nih.gov/10654135/},
  note = {Source identifier: 10654135}
}