Effect and safety of ethanolamine oleate in sclerotherapy in patients with difficult-to-resect venous malformations: A multicenter, single-arm study - Mine Ozaki; Tadashi Nomura; Keigo Osuga; Masakazu Kurita; Ayato Hayashi; Shunsuke Yuzuriha; Noriko Aramaki-Hattori; Makoto Hikosaka; Taiki Nozaki; Michio Ozeki; Junko Ochi; Shimpei Akiyama; et al. (PLoS ONE, 2025)