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