Baran Tatar, Z. “The Effect of the Severity of Nicotine Dependence on Psychopathology, Insight and Illness Severity in Schizophrenia”. Annals of Medical Research, vol. 25, no. 3, May 2021, pp. 0349-54, http://annalsmedres.org/index.php/aomr/article/view/1475.