Obi, D. C.; Obijiofor, I. B.; Obi-Okaro, A. C.; Nnebue, C. C.; Obi, A. C.; Ezenyeaku, C. A.; Ajator, C. C.; Nri-ezedi, C. Investigating Substance Abuse in Vulnerable Nigerian Youth: A Cross-Sectional Study of Out-of-School Adolescents. The Nig Health J 2024, 24, 1402-1411.