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Drug was acenocoumarol, not warfarin.\nexposure: Acenocoumarol followed by MK-7 10, 20 and 45 micrograms/day\nevidence_span: {\"source_cache\": \"artifacts/k2-research/23530987.abstract.txt\", \"locator\": \"Exact primary indexed abstract; zero-based, end-exclusive Unicode character offsets\", \"file_sha256\": \"95455ea6f2fc6de10ed4d46cad9c1587c004ccd445d7b08066108261f161e6af\", \"start_char\": 0, \"end_char\": 1740, \"text_sha256\": \"95455ea6f2fc6de10ed4d46cad9c1587c004ccd445d7b08066108261f161e6af\"}\n[k2-p23530987] Effect of low-dose supplements of menaquinone-7 (vitamin K2 ) on the stability of oral anticoagulant treatment: dose-response relationship in healthy volunteers. (2013). https://pubmed.ncbi.nlm.nih.gov/23530987/ DOI: 10.1111/jth.12203","model_system":"Sequential dose-response intervention during anticoagulation","directness":"author_interpretation","verification_status":"source_derived_draft","notes":"Exact curation-document quotation, not publisher quotation. 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