Does non-surgical periodontal treatment influence on rheumatoid arthritis? A systematic review and meta-analysis oleh Cleber Davi Del Rei Daltro Rosa, Jéssica Marcela de Luna Gomes, Sandra Lúcia Dantas de Moraes, Cleidiel Aparecido Araujo Lemos, Lurian Minatel, João Pedro Justino de Oliveira Limirio, Eduardo Piza Pellizzer