Metformin-loaded Chitosan nanoparticles alleviate insulin resistance in the polycystic ovarian syndrome rat model through modulation of PI3K/AKT/ GLUT4 in ovarian tissue - Samah Magdy Issa; Eman H. Thabet; Abeer.E. Dief; Walaa Omar; Samar R. Saleh; Marwa M. Essawy; Eman El Eter (Reproductive Biology, 2025)