Takahashi, M Silent infection of Giardia lamblia causing bleeding through vitamin K malabsorption. [electronic resource] - Journal of gastroenterology and hepatology Oct 2001 - 1171-2 p. digital Publication Type: Case Reports; Letter ISSN: 0815-9319 Standard No.: 10.1046/j.1440-1746.2001.02414.x doi Subjects--Topical Terms: AnimalsAnticoagulants--adverse effectsDiagnosis, DifferentialFemaleGiardia lambliaGiardiasis--complicationsHemorrhage--etiologyHumansMalabsorption Syndromes--etiologyMiddle AgedVitamin K--metabolismWarfarin--adverse effects