中性粒细胞/淋巴细胞比值、C-反应蛋白/白蛋白及低钙在重症颅脑损伤并早期呼吸机相关性肺炎的价值分析
Clinical value of NLR,CRP/Alb and Ca2+ in severe craniocerbral injury complicated with early⁃onset ven⁃ tilator pneumonia