Defining the Size Threshold of PEGylated Nanomedicines Crossing the Human Placenta Enables Safe Prenatal Therapies - Kensuke Suzuki; Pengwen Chen; Takuya Miyazaki; Jingyu Wan; Kazue Mizuno; Kazunori Igarashi; Keiichi Kumasawa; Yasuko Terada; Yasushi Hirota; Yutaka Osuga; Kazunori Kataoka; Takeshi Nagamatsu; et al. (ACS Nano Medicine, 2026)