TY - JOUR T1 - Puzzling Bronchial Trifurcation JF - Respiratory Care SP - 1206 LP - 1208 DO - 10.4187/respcare.01200 VL - 56 IS - 8 AU - Viboon Boonsarngsuk AU - Thitiporn Suwatanapongched Y1 - 2011/08/01 UR - http://rc.rcjournal.com/content/56/8/1206.abstract N2 - ER -