Mucoadhesive system formed by liquid crystals for buccal administration of poly(hexamethylene biguanide) hydrochloride - Souza, Carla; Cardoso, Livia Neves Borgheti; Lara, Marilisa Guimarães; Watanabe, Evandro; Fantini, Márcia Carvalho de Abreu (JOURNAL OF PHARMACEUTICAL SCIENCES, 2014)