[=negative inspiratory force]负力吸气
[=neutrophil immobilizing factor](嗜)中性白细胞移动抑制因子
[=neutrophil inhibition factor](嗜)中性白细胞抑制因子
[=nifedipine]硝苯吡啶,心痛定
[=nitrogen fixation]氮固定法,氮固定术
[=nonintestinal fibroblast]非肠源成纤维细胞