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Table 3 Quality assessment of the included studies

From: The function of metformin in endometrial receptivity (ER) of patients with polycyclic ovary syndrome (PCOS): a systematic review and meta-analysis

  1. A study can be awarded a maximum of one star for each numbered item within the Selection and Outcome categories. A maximum of two stars can be given for Comparability
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Reproductive Biology and Endocrinology

ISSN: 1477-7827

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