Juniata College - News - Death From Above: Juniata Historian Talks on Medieval Retribution Tales
http://www.juniata.edu/services/news/index.html?SHOWARTICLE+4229=
"Tuten will explain how these digestively related tales date back before medieval times and talk of how monastic authors used these undignified deaths to connect sin, divine vengeance, greed and bowel afflictions as examples of the gruesome fate awaiting sinners and the perceived enemies of the monastery."