title: The separation-individuation process in same-sex twins: a review of the literature.
mesh_terms: D002648:Child; D002657:Child Development; D002668:Child Rearing; D005260:Female; D006801:Humans; D007207:Individuation; D010287:Parent-Child Relations; D010553:Personality Development; D011247:Pregnancy; D012737:Sex Factors; D012801:Sibling Relations; D013559:Symbiosis; D014427:Twins