Cervical Collagen Network Porosity Assessed by SHG Endomicroscopy Distinguishes Preterm and Normal Pregnancy - A Pilot Study. - Wenxuan Liang; Yuehan Liu; Honghua Guan; Vorada Sakulsaengprapha; Katherine Luby-Phelps; Mala Mahendroo; Xingde Li (IEEE Trans. Biomed. Eng., 2025)