Original sentence: Curran and Dr.Matthew's Letter to the editor (World J Biol Psychiatry 2001, 2: 107) concerning Yaryura-Tobias et al (2000) negative outcome after neurosurgery for refractory obsessive-compulsive spectrum disorder, World J Biol Psychiatry 1: 197-203.Negative outcome after neurosurgery for refractory obsessive-compulsive spectrum disorder.Response to Dr.Response to Yaryura-Tobias et al (2000) negative outcome after neurosurgery for refractory obsessive-compulsive spectrum disorder, World J Biol Psychiatry 1: 197-203