Usman Ali, Jahangir Anjum, Sheraz Ahmed, Humaira Erum, Saadia Hamid, Nazia Akber Mir 2023. Demographic Profile and Extra Intestinal Manifestations of Ulcerative Colitis in Pakistani population. Pakistan Journal of Medical & Health Sciences. 17, 01 (Mar. 2023), 559. DOI:https://doi.org/10.53350/pjmhs2023171559.