title: Comparison of 21-gauge and 22-gauge aspiration needle during endobronchial ultrasound-guided transbronchial needle aspiration.
authors.affiliation: Division of Thoracic Surgery, Toronto General Hospital, University Health Network, Toronto, Ontario, Canada.
authors.forename: Takahiro
authors.initials: T
authors.lastname: Nakajima
authors.forename: Kazuhiro
authors.initials: K
authors.lastname: Yasufuku
authors.forename: Ryo
authors.initials: R
authors.lastname: Takahashi
authors.forename: Masato
authors.initials: M
authors.lastname: Shingyoji
authors.forename: Tetsushi
authors.initials: T
authors.lastname: Hirata
authors.forename: Makiko
authors.initials: M
authors.lastname: Itami
authors.forename: Yukiko
authors.initials: Y
authors.lastname: Matsui
authors.forename: Meiji
authors.initials: M
authors.lastname: Itakura
authors.forename: Toshihiko
authors.initials: T
authors.lastname: Iizasa
authors.forename: Hideki
authors.initials: H
authors.lastname: Kimura