title: Puzzling bronchial trifurcation.
authors.affiliation: Division of Pulmonary and Critical Care Medicine, Department of Medicine, Faculty of Medicine, Ramathibodi Hospital, Mahidol University, Bangkok, Thailand. bss-vb@hotmail.com
authors.forename: Viboon
authors.initials: V
authors.lastname: Boonsarngsuk
authors.forename: Thitiporn
authors.initials: T
authors.lastname: Suwatanapongched
mesh_terms: D000368:Aged; D001980:Bronchi / Q000002:abnormalities*; D001982:Bronchial Diseases / Q000151:congenital* / Q000175:diagnosis; D001995:Bronchography; D001999:Bronchoscopy; D003937:Diagnosis, Differential; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D014057:Tomography, X-Ray Computed