... purposes)Co-morbidity of psychiatric disorders in children with nail biting and psychiatric characteristic of their parents in a clinical sample Onychophagia or nail biting (NB) is a behavior with a wide ... children and their parents in a psychiatrically referred sample of children Ahmad Ghanizadeh1,2Address: 1Assistant Professor of Child and Adolescent Psychiatry, Shiraz University of Medical Sciences, ... Mohammadi MR, Davidian H, Noorbala AA, Malekafzali H, NaghaviHR, Pouretemad HR, Yazdi SA, Rahgozar M, Alaghebandrad J, AminiH, Razzaghi EM, Mesgarpour B, Soori H, Mohammadi M, Ghanizadeh A: An...