TY - Chinese Medical Sciences Journal A1 - Bai Bing, Tian Yuan, Zhang Yuelun, Ma Manjiao, Yu Xuerong, Huang Yuguang T1 - Prediction of Hidden Blood Loss During Posterior Spinal Surgery Y1 - 2019-03-30 JF - Chinese Medical Sciences Journal JO - Chinese Medical Sciences Journal SP - 38 EP - 44 VL - 34 IS - 1 UR - http://cmsj.cams.cn N1 - 10.24920/003463 ER -