title: I've been taking warfarin (Coumadin) for atrial fibrillation.  I have to limit my consumption of leafy green vegetables because of the amount of vitamin K they contain.  Since vitamin K is important to bone health, are there any substitutes that could provide similar nutrients?
mesh_terms: D001281:Atrial Fibrillation / Q000188:drug therapy*; D004032:Diet; D006801:Humans; D014675:Vegetables; D014812:Vitamin K / Q000009:adverse effects*; D014859:Warfarin / Q000627:therapeutic use*
chemical_list: D014812:Vitamin K; D014859:Warfarin