Knox, S., M. Madruga, and S. Carlan. “Mechanical Bowel Obstruction Secondary to Fecal Impaction With Superimposed Ogilvie Syndrome”. JOURNAL OF GERONTOLOGY AND GERIATRICS, Vol. 65, no. 4, Dec. 2017, pp. 284-6, https://www.jgerontology-geriatrics.com/article/view/119.