Antony J, Nakulan A, John S. Association between socio-demographic profile and severity of cognitive impairment in elder patients presenting with new onset of psychiatric symptoms: a cross sectional study. Int J Res Med Sci [Internet]. 2019 Jun. 28 [cited 2023 Oct. 4];7(7):2519-23. Available from: https://www.msjonline.org/index.php/ijrms/article/view/6721