Can early improvement be an indicator of treatment response in obsessive-compulsive disorder? Implications for early-treatment decision-making - Costa, Daniel Lucas da Conceição; Shavitt, Roseli Gedanke; Cesar, Raony Cassab Castro; Joaquim, Marinês Alves; Borcato, Sonia; Valério, Carolina; Miguel, Eurípedes Constantino; Diniz, Juliana Belo (Journal of Psychiatric Research, 2013)