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Paran, H.; Butnaru, G.; Neufeld, D.; Magen, A.; Freund, U. (1999). "Enema-induced perforation of the rectum in chronically constipated patients". Diseases of the colon and rectum. 42 (12): 1609–1612. doi:10.1007/BF02236216. PMID10613482.
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Ernst E (June 1997). "Colonic irrigation and the theory of autointoxication: a triumph of ignorance over science". J. Clin. Gastroenterol. 24 (4): 196–8. doi:10.1097/00004836-199706000-00002. PMID9252839.
Eisele, J.; Reay, D. (1980). "Deaths related to coffee enemas". JAMA: The Journal of the American Medical Association. 244 (14): 1608–1609. doi:10.1001/jama.1980.03310140066036. PMID7420666.
Keum, B.; Jeen, Y. T.; Park, S. C.; Seo, Y. S.; Kim, Y. S.; Chun, H. J.; Um, S. H.; Kim, C. D.; Ryu, H. S. (2010). "Proctocolitis Caused by Coffee Enemas". The American Journal of Gastroenterology. 105 (1): 229–230. doi:10.1038/ajg.2009.505. PMID20054322.
Keum, Bora; et al. (2010). "Proctocolitis Caused by Coffee Enemas". American Journal of Gastroenterology. 105 (1): 229–230. doi:10.1038/ajg.2009.505. PMID20054322.Pemeliharaan CS1: Penggunaan et al. yang eksplisit (link) CS1 maint: Explicit use of et al. (link)
Paran, H.; Butnaru, G.; Neufeld, D.; Magen, A.; Freund, U. (1999). "Enema-induced perforation of the rectum in chronically constipated patients". Diseases of the colon and rectum. 42 (12): 1609–1612. doi:10.1007/BF02236216. PMID10613482.
Keum, Bora; et al. (2010). "Proctocolitis Caused by Coffee Enemas". American Journal of Gastroenterology. 105 (1): 229–230. doi:10.1038/ajg.2009.505. PMID20054322.Pemeliharaan CS1: Penggunaan et al. yang eksplisit (link) CS1 maint: Explicit use of et al. (link)