Asthenia, fatigue, malnutrition due copper deficiency after Roux-en-Y gastric by-pass: case report - Araújo, Guilherme Teixeira de; Campos, Camila Scalassara; Silva, Carolina L. Dah; Machado, Juliana de Carvalho; Marchini, Julio Sergio; Ceneviva, Reginaldo; Santos, Jose Ernesto dos; Borges, Carla Barbosa Nonino (International Journal of Nutrology, 2011)