Awareness and Willingness of Blood Donation Among Medical Students of Nishtar Medical University, Multan, Pakistan: A Cross‐Sectional Descriptive Study - Areeba Zeb; Fatima Iftikhar; Amna Irshad; Muhammad Faiz Shujra; Amna Naseer; Amna Khalid; Elaf Eman; Sumia Fatima; Muhammad Farhan Jamil; Muddassir Khalid; Fred Segawa (Health Science Reports, 2026)