title: A prospective randomized study comparing transnasal and peroral 5-mm ultrathin endoscopy.
authors.affiliation: Department of Otolaryngology, National Taiwan University Hospital and National Taiwan University, College of Medicine, Taipei, Taiwan; Graduate Institute of Pathology, National Taiwan University College of Medicine, Taipei, Taiwan.
authors.forename: Cheng-Ping
authors.initials: CP
authors.lastname: Wang
authors.affiliation: Department of Otolaryngology, National Taiwan University Hospital and National Taiwan University, College of Medicine, Taipei, Taiwan.
authors.forename: Jenq-Yuh
authors.initials: JY
authors.lastname: Ko
authors.affiliation: Department of Internal Medicine, National Taiwan University Hospital and National Taiwan University, College of Medicine, Taipei, Taiwan. Electronic address: yichialee@ntu.edu.tw.
authors.forename: Yi-Chia
authors.initials: YC
authors.lastname: Lee
mesh_terms: D016145:Endoscopy, Digestive System / Q000379:methods*; D005260:Female; D006801:Humans; D008297:Male