Presence of serum ferritin before and after bariatric surgery: analysis in dentate and edentulous patients - Foratori Junior, Gerson Aparecido; Andrade, Francisco Juliherme Pires de; Mosquim, Victor; Sales Peres, Matheus de Carvalho; Ceneviva, Reginaldo; Chaim, Elinton Adami; Sales Peres, Sílvia Helena de Carvalho (PLoS ONE, 2016)