From Service Burden to Burnout: The Protective Role of Supervisory Support Among Internal Medicine Postgraduate Residents in Punjab Teaching Hospitals A Cross-Sectional Survey Running head: Service burden, supervisory support, and burnout in Punjab Intern. Pjmcr [Internet]. 2026 Jun. 21 [cited 2026 Nov. 15];5(2):6501-17. Available from: https://pakjmcr.com/index.php/1/article/view/1381