“Sparse, Dense, or Hybrid? Comparing Retrieval Strategies for Biomedical Question Answering with Retrieval-Augmented Generation” (2026) Journal of Science, Innovation & Social Impact, 2(2), pp. 141–152. Available at: https://pinnaclepubs.com/index.php/JSISI/article/view/727 (Accessed: 22 June 2026).