title: Comment on Li et al. Non-continuous versus continuous wound drainage after total knee arthroplasty: a meta- analysis.
authors.affiliation: Department of Endocrinology, Zhujiang Hospital, Southern Medical University, 253# industry road, 510282, Guangzhou, Guangdong, China, zhangruyi133@126.com.
authors.forename: Ruyi
authors.initials: R
authors.lastname: Zhang
authors.forename: Jiao
authors.initials: J
authors.lastname: Wang
authors.forename: Hua
authors.initials: H
authors.lastname: Zhang
authors.forename: Hong
authors.initials: H
authors.lastname: Chen
authors.forename: Dehong
authors.initials: D
authors.lastname: Cai
mesh_terms: D019645:Arthroplasty, Replacement, Knee / Q000379:methods*; D001803:Blood Transfusion / Q000706:statistics & numerical data*; D004322:Drainage / Q000379:methods*; D005260:Female; D006454:Hemoglobins / Q000378:metabolism*; D006801:Humans; D008297:Male; D011182:Postoperative Care / Q000379:methods*; D011183:Postoperative Complications / Q000453:epidemiology*; D019106:Postoperative Hemorrhage / Q000453:epidemiology*
chemical_list: D006454:Hemoglobins