Bilal, Muhammad, Hina Tariq, and Nadira Mamoon. 2018. “WHIPPLE RESECTION: CONCORDANCE BETWEEN FROZEN SECTION AND PERMANENT SECTION DIAGNOSIS OF SURGICAL MARGINS”. Journal of Ayub Medical College Abbottabad 30 (1):26-29. https://jamc.ayubmed.edu.pk/index.php/jamc/article/view/1459.