College of Pharmacy;
Xinxiang Medical University;
Henan;
China;
College of Pharmacy;
Xinxiang Medical University;
Henan;
China;
2Subei People’s Hospital of Jiangsu Province;
Yangzhou University;
Jiangsu;
China;
Subei People’s Hospital of Jiangsu Province;
Yangzhou University;
Jiangsu;
China.;
Serotonin; Endogenous; Opiate; Peptide; Spinal; Cord; Antinociception;