Muhammad Usman Khalid, Mohammad Hamza Bajwa, Mashal Murad Shah, Syed Nabeel Zafar, Altaf Ali Laghari, Naveed Zaman Akhunzada, Saad bin Anis, Muhammad Faraz Raghib , Sameen Siddiqi, Syed Ather Enam . Factors associated with lost to follow up in patients with brain tumours: A multi-centre study in Pakistan. J Pak Med Assoc [Internet]. 2022 Dec. 15 [cited 2026 Apr. 30];72(11):S16 - S24. Available from: https://jpma.org.pk/index.php/public_html/article/view/8669