The Sibling Leadership Network has compiled a database of major sibling studies since 1962. A tremendous resource!
A Population-Level Study of the Mental Health of Siblings of Children Who Have a Developmental Disability
Sibling Relationships Around the World: Experiences of Siblings of Special Olympics Athletes
"A Study on the Life Experiences of Adolescents Who Grew up with Younger Siblings with Developmental Disabilities"
“Psychosocial impact on siblings of patients with developmental and epileptic encephalopathies.”
Siblings of Children with Disabilities May Have Greater Cognitive Empathy