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Fig. 1 | Basic and Clinical Andrology

Fig. 1

From: Seminal plasma biomarkers for predicting successful sperm retrieval in patients with nonobstructive azoospermia: a narrative review of human studies

Fig. 1

Flowchart of study selection process. A total of 15,390 studies were searched, but only 6615 studies were evaluated after duplications were removed. The abstracts of 6513 articles were excluded because they were irrelevant to the topic. The full texts of 102 articles were obtained, with 21 of them being included in this review

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Basic and Clinical Andrology

ISSN: 2051-4190