title: Switched-at-birth twins in the Canary Islands: revisited.
authors.forename: Nancy L
authors.initials: NL
authors.lastname: Segal
mesh_terms: D004777:Environment; D006801:Humans; D007231:Infant, Newborn; D013030:Spain; D018433:Twin Studies as Topic; D014430:Twins, Monozygotic