%0 Journal Article %T Comparing video and direct laryngoscopy for tracheal intubation in the general ward %A Fu-Shan Xue %A He Yang %A Liu-Jia-Zi Shao %A Rui-Juan Guo %J Archive of "Annals of Intensive Care". %D 2019 %R 10.1186/s13613-018-0476-5 %X LJZS, FSX, RJG and HY carefully read the manuscript by Baek et al. and analyzed their methods and data. LJZS suggested comment points and drafted this manuscript. FSX, RJG and HY revised the comment points and this manuscript. All authors read and approved the final manuscript %U https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6353973/