TY - JOUR AU - Caldeira, D; Barra, M; Ferreira, A TI - Systematic review with meta-analysis: the risk of major gastrointestinal bleeding with non-vitamin K antagonist oral anticoagulants JO - Aliment Pharmacol Ther VL - 42 PY - 2015 DO - 10.1111/apt.13412 L3 - PubMed-ID: 26434935 SP - 1239 EP - 1249 N1 - et al. ER -