Factors and determinants of primary care to tertiary care referrals in Singapore: A multi-centre analysis using artificial intelligence-powered large language models. - Koh, Sky Wei Chee; Huang, Jasper Yi Xuan; Lam, Joelle; Low, Si Hui; Goh, Jun Cong; Ji, Ge; Jin, Xin; Bauchner, Howard; Lew, Yii Jen (PLoS ONE, 2026)