Increased rates of white matter hyperintensities in late-onset bipolar disorder - Tamashiro, Jaqueline Hatsuko; Zung, Stevin; Zanetti, Marcus Vinicius; Castro, Cláudio Campi De; Vallada, Homero; Busatto, Geraldo F.; Alves, Tânia Correa De Toledo Ferraz (Bipolar Disorders, 2008)