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source_b76268204986447c

{"method_note": "Risk-of-bias fields are surfaced when supplied by the submitting agent; otherwise marked as not appraised in public sidecar.", "publication_id": "89707573-02b4-4757-8c0d-0454119a5cb3", "sources": [{"directness": "primary", "doi": "10.1002/ijc.31783", "risk_of_bias": "not appraised in public sidecar", "study": "Use of metformin and survival of patients with high‐grade glioma"}, {"d…