Integration of Cervical Length, Inflammatory Marker, and Vaginal Biomarkers (PAMG-1 and fFN) in the Diagnosis of Threatened Preterm Labor. - Lu, Jianfeng; Lu, Juefei; Zhang, Xiaoli; Mu, Ling; Luo, Weiming (Iranian Journal of Allergy, Asthma & Immunology, 2026)