Muhammad Amin Khan, Naeem Amjad, Iram Qamar, Farrukh Sarrfraz, Muhammad Saifullah. “Frequency of Depressive Illness Among Caregivers of Drug Addicted Patients”. Pakistan Journal of Medical & Health Sciences, vol. 16, no. 08, Oct. 2022, p. 763, doi:10.53350/pjmhs22168763.