- 7 (12): 10417–26. doi:10.3390/nu7125541. PMC 4690093. PMID 26690475.
Andromanakos N,
Skandalakis P,
Troupis T,
Filippou D (2006). "Constipation of anorectal...
- (4th ed.). Cham, Switzerland:
Springer Nature. ISBN 978-3-030-66049-9.
Andromanakos N,
Skandalakis P,
Troupis T,
Filippou D (April 2006). "Constipation of...