title: Commonly overlooked sources of vitamin K.
authors.forename: Shella R
authors.initials: SR
authors.lastname: Johnson
authors.forename: Michael E
authors.initials: ME
authors.lastname: Ernst
authors.forename: Mark A
authors.initials: MA
authors.lastname: Graber
mesh_terms: D019587:Dietary Supplements / Q000032:analysis*; D005260:Female; D006801:Humans; D019934:International Normalized Ratio; D008875:Middle Aged; D014812:Vitamin K / Q000008:administration & dosage / Q000032:analysis*; D014859:Warfarin / Q000008:administration & dosage
chemical_list: D014812:Vitamin K; D014859:Warfarin