Clinical value of NLR，CRP/Alb and Ca2+ in severe craniocerbral injury complicated with early⁃onset ven⁃ tilator pneumonia

HUANG Qihui, ZHANG Lin
The Journal of Practical Medicine . 2021, (7): 903 -908 .  DOI: 10.3969/j.issn.1006⁃5725.2021.07.015