Functional haplotypes in Interleukin 4 gene associated with periodontitis - Anovazzi, Giovana; Medeiros, Marcell Costa de; Pigossi, Suzane Cristina; Finoti, Livia Sertori; Mayer, Marcia Pinto Alves; Rossa Junior, Carlos; Scarel-Caminaga, Raquel Mantuaneli (PLOS ONE, 2017)