Azhar Ali Khan, Ahmed Ayyaz, Maryam Javed, Waqar Ahmed, Farooq Ahmed, Azhar Waheed Khan, “Long Term patency of Tunneled catheters in End Stage Renal Disease patients for vascular access- A single center study”, Pakistan Journal of Medical & Health Sciences, vol. 16, no. 07, p. 28, Jul. 2022.