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Fig. 1 | Stem Cell Research & Therapy

Fig. 1

From: Safety, efficacy and biomarkers analysis of mesenchymal stromal cells therapy in ARDS: a systematic review and meta-analysis based on phase I and II RCTs

Fig. 1

Flow chart of the selection process. Flow chart describing the selection steps of the systematic review and meta-analysis of comparing the safety, efficacy and biomarkers of mesenchymal stem cells in patients with ARDS, showing the number of studies excluded at each step, as well as the reasons for exclusion. *PubMed (n = 108), Embase (n = 381), Central (Cochrane library) (n = 176), Web of Science (n = 624), VIP (n = 132), Wanfang Data (n = 338), and China National Knowledge Infrastructure (n = 80). Ultimately, a total of 1839 were retrieved from the seven database. Of these 1839 studies, five articles were finally identified, including 5 quantitative studies

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Stem Cell Research & Therapy

ISSN: 1757-6512