# Correction: A novel Multi-Level Refined (MLR) knowledge graph design and chatbot system for healthcare applications

**Authors:** Huei-Chia Hsueh, Shuo-Chen Chien, Chih-Wei Huang, Hsuan-Chia Yang, Usman Iqbal, Li-Fong Lin, Wen-Shan Jian

PMC · DOI: 10.1371/journal.pone.0302620 · 2024-04-19

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Source: https://tomesphere.com/paper/PMC11029607