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. 2021 Jan 20;9(1):2325967120969210. doi: 10.1177/2325967120969210

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© The Author(s) 2021

This article is distributed under the terms of the Creative Commons Attribution-NonCommercial-NoDerivs 4.0 License (https://creativecommons.org/licenses/by-nc-nd/4.0/) which permits non-commercial use, reproduction and distribution of the work as published without adaptation or alteration, without further permission provided the original work is attributed as specified on the SAGE and Open Access pages (https://us.sagepub.com/en-us/nam/open-access-at-sage).

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Figure 1. — CONSORT (Consolidated Standards of Reporting Trials)³¹ flow diagram. Sample sizes (n) refer to the number of hips included at each stage. HA, hyaluronic acid; NSAID, nonsteroidal anti-inflammatory drug; PRP, platelet-rich plasma; THA, total hip arthroplasty.