Clinical significance of severe proteinuria in preeclampsia: a multicenter study of maternal and neonatal outcomes. - Morikawa M; Ohkuchi A; Iriyama T; Mimura K; Watanabe K; Ushida T; Nohira T; Matsubara K; Kawabata I; Maki S; Naruse K; Suzuki H; et al. (Hypertension research : official journal of the Japanese Society of Hypertension, 2025)