Department of Neurosurgery;
General Hospital;
Tianjin Medical University;
Tianjin;
China;
Key Laboratory of Injuries;
Variations and Regeneration of Nervous System;
Tianjin Neurological Institute;
Tianjin;
China;
nerve; regeneration; severe; traumatic; brain; injury; animal; model; comparison; free; weight; drop; controlled; cortical; impact; neurological; impairment; neuroinflammation; blood-brain; barrier; damage; neuronal; apoptosis; diffuse; axonal; injury; brainstem; injury; neural; regeneration;