Benefits of melatonin on mortality in severe-to-critical COVID-19 patients: A systematic review and meta-analysis of randomized controlled trials Jinlv Qin; Guizuo Wang; Dong Han;

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

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;