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;

A meta-analysis on the efficacy of endoscopic ultrasonography for treatment of pancreatic cancer Min Xuan; Na Li; Chunyan Wu;

The effects of art therapy interventions on anxiety in children and adolescents: A meta-analysis Bo Zhang; Jiahua Wang; Azizah binti Abdullah;