IgG4‐positive plasma cells are more often detected in chronic periapical lesions arising from permanent rather than primary teeth - Polanco, Xiomara Beatriz Jimenez; Bertasso, Amanda Silva; Silveira, H. A.; Almeida, L. Yamamoto de; Almeida, Lana Kei Yamamoto; Silva, Raquel Assed Bezerra da; Silva, Léa Assed Bezerra da; Daldegan, Andiara de Rossi; Nelson Filho, Paulo; León, Jorge Esquiche (International Endodontic Journal, 2021)