S. T. H. Manurung, S. Lukmana, S. Lukmana, A. Setiyadi, and N. S. Wardani, “The Relationship of Physical Activity with the Level of Colon Cleanliness in Colonoscopy Patients at the Gastrointestinal Endoscopy Center”, IJGHR, vol. 6, no. S5, pp. 633-640, Oct. 2024.