Saliva as an alternative to blood in the determination of uremic state in adult patients with chronic kidney disease: a systematic review and meta-analysis

Renata Prata Cunha Bernardes Rodrigues, Walbert de Andrade Vieira, Walter L. Siqueira, Cauane Blumenberg, Ítalo de Macedo Bernardino, Sérgio Vitorino Cardoso, Carlos Flores‐Mir, Luiz Renato Paranhos