[Lumbar plexus block reduces pain and blood loss associated with total hip arthroplasty].
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Zetlaoui
D000698:Analgesia; D019644:Arthroplasty, Replacement, Hip; D016063:Blood Loss, Surgical / Q000517:prevention & control*; D006801:Humans; D008160:Lumbosacral Plexus; D009407:Nerve Block