Zhang, Tiantian, et al. “High-Risk Factors and a Nomogram Prediction Model for Pulmonary Fungal Infection in Elderly Patients With Acute Exacerbation of Chronic Obstructive Pulmonary Disease”. Life Conflux, vol. 2, no. 2, Mar. 2026, p. e327, https://doi.org/10.71321/d3zf3339.