Study on the diagnosis efficacy of neutrophil ratio in bronchoalveolar lavage fluid combined with gram stain for pneumonia

SHENG Mengqiu, ZHANG Yu, ZHANG Qiwei, Zhang Xinqiang, Hou Tieying.
The Journal of Practical Medicine . 2022, (16): 2081 -2085 .  DOI: 10.3969/j.issn.1006⁃5725.2022.16.019