TY - STAND AU - H. Ahmed AU - H. Whitaker AU - D. Farewell AU - J. Hippisley-Cox AU - S. Noble BT - Bmj DO - 10.1136/bmj-2021-068037 PY - 2021 EP - e068037 T2 - Bmj TI - Respiratory tract infection and risk of bleeding in oral anticoagulant users: self-controlled case series VL - 375 SN - 0959-8138 ER -