article_metadata: Koichi Yabunaka Gojiro Nakagami Kazunori Komagata Hiromi Sanada
article_metadata: 10.1177/2050313X17694234
article_metadata: SAGE Open Med Case Rep
article_metadata: 2017 Feb 15;5:2050313X17694234.
article_metadata: ultrasonography anorectal dysfunction chronic constipation fecal retention slow-transit constipation
article_metadata: CC BY-NC
article_metadata: https://pubmed.ncbi.nlm.nih.gov/28250918/
article_metadata: Case Reports
article_metadata: PMC5317036
article_metadata: 28250918
article_metadata: Ultrasonographic follow-up of functional chronic constipation in adults: A report of two cases
article_metadata: 2017