Zahoor Ahmed Shah, Syed Osama Talat Jalal Khan, Abdul Sadiq, Shahzad Latif, Syed Ehsanullah, Farah Naz Tahir. Evaluation of Fecal Calprotectin As a Non-Invasive Marker of Disease Activity in Ulcerative Colitis. IJPRT 2025, 15, 13-17.