A clinical study comparing manic and mixed episodes in patients with bipolar disorder - Schwartzmann, Ângela Maira; Amaral, José Antonio; Issler, Cilly; Caetano, Sheila C; Tamada, Renata S; Almeida, Karla Mathias de; Soares, Marcia Brito de Macedo; Dias, Rodrigo da Silva; Rocca, Cristiana C; Lafer, Beny (Revista brasileira de psiquiatria, 2007)