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), p. 559. doi: 10.53350/pjmhs2023171559.