title: Letter.
authors.affiliation: Sir Run Run Shaw Hospital Zhejiang University School of Medicine Hangzhou, Zhejiang, China.
authors.forename: Tong
authors.initials: T
authors.lastname: Yongjun
mesh_terms: D001241:Aspirin / Q000008:administration & dosage*; D005260:Female; D005343:Fibrinolytic Agents / Q000008:administration & dosage*; D006801:Humans; D008159:Lumbar Vertebrae / Q000601:surgery*; D008297:Male; D011182:Postoperative Care / Q000379:methods*; D011300:Preoperative Care / Q000379:methods*; D013123:Spinal Fusion / Q000379:methods*
chemical_list: D005343:Fibrinolytic Agents; D001241:Aspirin