Nonsurgical periodontal therapy decreases the severity of rheumatoid arthritis and the plasmatic and salivary levels of RANKL and Survivin: a short-term clinical study - Moura, Marcela Faria; Silva, Tarcília Aparecida; Cota, Luís Otávio Miranda; Oliveira, Sicília Rezende; Cunha, Fernando de Queiroz; Ferreira, Gilda Aparecida; Cortelli, José Roberto; Cortelli, Sheila Cavalca; Costa, Fernando Oliveira (Clinical Oral Investigations, 2021)