Fig. 1. Hemoglobin (Hb) concentration level in unilateral total knee arthroplasty (TKA) (A) and bilateral TKA (B). POD: postoperative day.

Knee Surg Relat Res 2016;28:194~200 https://doi.org/10.5792/ksrr.2016.28.3.194

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