"Masaki, Tsutomu" . . "Tani, Joji" . "no-cc" . . . "Kobara, Hideki" . . . "Nishiyama, Noriko" . "PMC7245319" . "32561301" . . "Elsevier; Medline; PMC" . "2020-05-23"^^ . "Dig Liver Dis" . "10.1016/j.dld.2020.05.024" . "32561301" . "Negative-pressure box under continuous suction for shielding against aerosols produced by patients with COVID-19 during abdominal ultrasound-guided intervention" . . .