sub:assertion { d:DB00367dv:ddi-interactor-indr:DB00367_DB00682 . d:DB00682dv:ddi-interactor-indr:DB00367_DB00682 . dr:DB00367_DB00682dct:identifier "drugbank_resource:DB00367_DB00682" ; dct:title "DDI between Levonorgestrel and Warfarin - Levonorgestrel may alter the anticoagulant effect of warfarin. Concomitant therapy should be avoided. Monitor for changes in coagulation status if levonorgestrel is initiated, discontinued or dose changed."@en ; adv:Drug-Drug-Interaction ; rdfs:label "DDI between Levonorgestrel and Warfarin - Levonorgestrel may alter the anticoagulant effect of warfarin. Concomitant therapy should be avoided. Monitor for changes in coagulation status if levonorgestrel is initiated, discontinued or dose changed. [drugbank_resource:DB00367_DB00682]"@en . }