P14.10: Sonographic assessment of fetal occiput position during the second stage of labor: how reliable is the transperineal approach?. (1st October 2013) - Ghi, T.; Bellussi, F.; Tondi, F.; Maroni, E.; Youssef, A.; Ravennati, F.; Montaguti, E.; Cataneo, I.; Pilu, G.; Rizzo, N.