Homogenization of lessons and materials in different teaching units in obstetrics and gynecology: a quasi-experimental study - Cuerva, Marcos Javier; Antolin, Eugenia; Armijo, Onica; Plaza, Javier; Sanz, Raquel; Usandizaga, Ramon; Perez-Medina, Tirso; Bartha, Jose Luis; Zapardiel, Ignacio (SPANISH JOURNAL OF MEDICAL EDUCATION, 2025)