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source_eee891d714ae4faf
{"publication_id": "145fcccc-2360-4120-8674-34dd3e97ade7", "traces": [{"candidate_sources": [{"directness": "review-level", "doi": "10.1186/s12885-020-07117-4", "effect": "not extracted", "endpoint": "not extracted", "population": "not extracted", "source_id": "source_1", "study": "Relationship between aspirin use of esophageal, gastric and colorectal cancer patient survival: a meta-analysis", "su…
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