Comment on

• Endobronchial intubation detected by insertion depth of endotracheal tube, bilateral auscultation, or observation of chest movements: randomised trial.

  Sitzwohl C, Langheinrich A, Schober A, Krafft P, Sessler DI, Herkner H, Gonano C, Weinstabl C, Kettner SC. Sitzwohl C, et al. BMJ. 2010 Nov 9;341:c5943. doi: 10.1136/bmj.c5943. BMJ. 2010. PMID: 21062875 Free PMC article. Clinical Trial.