A. Muhammad Umar, M. A. Sharifudin, N. Bhaskar Raj, and A. Ahmad, “Research Gaps in the Relationship Between Serum Brain-derived Neurotrophic Factor (BDNF) and Trunk Control After Stroke: A Scoping Review of the Last Decade (2014–2024)”, imjm, vol. 25, no. 04, Oct. 2026.