Alvi, H., Rasheed, T., Shaikh, M.A., Ali, F.S., Zuberi, B.F. and Samejo, A.A. 2019. Impact of bowel preparation on caecal intubation time during colonoscopy. Pakistan Journal of Medical Sciences. 35, 6 (Oct. 2019). DOI:https://doi.org/10.12669/pjms.35.6.1031.