KNOWLEDGE GRAPH-ENHANCED RETRIEVALAUGMENTED GENERATION FOR HEALTHCARE REVENUE CYCLE OPTIMIZATION. International Journal of Artificial Intelligence and machine learning in Engineering, [S. l.], v. 2, n. 1, p. 1–7, 2025. Disponível em: https://ijaimle.com/journal/index.php/ijaimle/article/view/36. Acesso em: 2 sep. 2026.