Efficacy and safety of left atrial appendage closure procedure in patients with non-valvular atrial fibrillation with contraindication and/or failure for oral anticoagulants: A systematic review and meta-analysis Ricardo dos Santos Simões; Aline Frossard Ribeiro Bortoluzzi; Janaina Cardoso Nunes Marinho; Julia Simões Corrêa Galendi; Wanderley Marques Bernardo;

Expression of NGF, proNGF, p75NTR in lung injury induced by cerebral ischemia-reperfusion in young and elderly rats Hong Chen; Qiang Du; Jie Chen; Qiang Tian; Lei Xu; Ying Wang; Xiaoyan Gu;

Risk factors of atrial fibrillation complicated with cognitive impairment and the relationship between cardiac function parameters and the degree of cognitive impairment FengJiao Liao; ZongYi Hou;