EP04.06: Systolic and diastolic time interval ratios of the ductus venosus flow velocity waveform in fetal growth restriction. (15th October 2018) - Suekane, T.; Yokoi, N.W.; Nakai, K.; Kurihara, Y.; Nakagawa, K.; Hamuro, A.; Misugi, T.; Nakano, A.; Tachibana, D.; Koyama, M.