Impact of depressive symptoms on visceral sensitivity among patients with different subtypes of irritable bowel syndrome - Medeiros, Maria Teresa Gonçalves de; Carvalho, André Férrer; Lima, José Wellington de Oliveira; Santos, Armênio Aguiar dos; Oliveira, Ricardo Brandt de; Souza, Miguel Ângelo Nobre e (Journal of Nervous and Mental Disease, 2008)