Relationship between sleep disorders and information processing speed in multiple sclerosis Fereshteh Ashtari; Arshia Ghalamkari; Saba Naghavi; Ahmad Pourmohammadi; Iman Adibi; Zahra Karimi; Aryan Kavosh;

Impact of the COVID-19 pandemic on cataract surgeries in Brazil: A retrospective study Silvana Rossi; Rafael Scherer; Priscilla Jorge; Newton Kara-Junior;

Gastric adenocarcinoma and periodontal disease: A systematic review and meta-analysis Francisco José Nunes Aguiar; Fabrício dos Santos Menezes; Marcela de Araújo Fagundes; Gisele Aparecida Fernandes; Fabio de Abreu Alves; João Goncalves Filho; Maria Paula Curado;