title: Letter by Lai and Chan regarding article, "Bleeding risk in very old patients on vitamin K antagonist treatment: results of a prospective collaborative study on elderly patients followed by Italian Centres for Anticoagulation".
authors.forename: Chao-Lun
authors.initials: CL
authors.lastname: Lai
authors.forename: Wan-Khey
authors.initials: WK
authors.lastname: Chan
mesh_terms: D000925:Anticoagulants / Q000008:administration & dosage* / Q000009:adverse effects*; D005260:Female; D006470:Hemorrhage / Q000453:epidemiology*; D006801:Humans; D008297:Male; D054556:Venous Thromboembolism / Q000517:prevention & control*; D014812:Vitamin K / Q000037:antagonists & inhibitors*
chemical_list: D000925:Anticoagulants; D014812:Vitamin K