References. Akhtar S, Wig Nn, Vama Vk, Pershad D, Verma

References: Akhtar S, Wig NN, Vama VK, Pershad D, Verma SK. (1975) A phenomenologic analysis of symptoms in obsessive- compulsive neurosis. Br. J. Psychiatry Vol 127: 342–348. American Psychiatric Association. (2000). Diagnostic and statistical manual of mental disorders (4th ed. text revision). Washington, DC: Author. Bienvenu, O. J., Samuels, J. F., Riddle, M. A., Hoehn-Saric, R., Liang, K. Y., Cullen, B. A., et al. (2000). The relationship of obsessive-compulsive disorder to possible spectrum disorders: Results from a family study. Biological Psychiatry, 48, 287–293. Delorme, R., Golmard, J. L., Chabane, N., Millet, B., Krebs, M. O., Mouren-Simeoni, M. C., et al. (2005). Admixture analysis of age at onset in obsessive-compulsive†¦show more content†¦Girishchandra BG, Khanna S. (2001). Phenomenology of obsessive compulsive disorder: a factor analytic approach. Indian journal of psychiatry. Vol 43(4):306- 16. Glahn, A., Prell, T., Grosskreutz, J., Peschel, T and Muller-Vahl, K (2015). Obsessive-compulsive disorder is a heterogeneous disorder: evidence from diffusion tensor imaging and magnetization transfer imaging. BMC Psychiatry Vol 15 (135). Available: http://pubmedcentralcanada.ca/pmcc/articles/PMC4479088/pdf/12888_2015_Article_535.pdf [accessed 20 March 2017] Goodman WK. (1999). Obsessive-compulsive disorder: Diagnosis and treatment. J. Clin. Psychiatry. Vol 60 (Suppl. 18): 27–32. Hasler, G., LaSalle-Ricci, V. H., Ronquillo, J. G., Crawley, S. A., Cochran, L. W., Kazuba, D., et al. (2005). Obsessive- compulsive disorder symptom dimensions show specific relationships to psychiatric comorbidity. Psychiatry Research, 135, 121–132. Hemmings, S. M., Kinnear, C. J., Lochner, C., Niehaus, D. J., Knowles, J. A., Moolman- Smook, J. C., et al. (2004). Early-versus late-onset obsessive-compulsive disorder: Investigating genetic and clinical correlates. Psychiatry Research, 128, 175–182. Hollander, E. (1997). Obsessive-compulsive disorder: The hidden epidemic. Journal of Clinical Psychiatry, 58 (Suppl. 12), 3–6. Juang, Y and Liu, C. (2001). Phenomenology of obsessive–compulsive disorder in Taiwan. Psychiatry and Clinical Neurosciences Vol 55, 623–627. Available: