title: What do we really know about the long-term safety of colonic tattooing?
authors.forename: Stephan
authors.initials: S
authors.lastname: Hellmig
authors.forename: Eckhard
authors.initials: E
authors.lastname: Stüber
authors.forename: Karlheinz
authors.initials: K
authors.lastname: Kiehne
authors.forename: Markus
authors.initials: M
authors.lastname: Kosmahl
authors.forename: Ulrich
authors.initials: U
authors.lastname: Fölsch
mesh_terms: D002244:Carbon / Q000009:adverse effects*; D003106:Colon / Q000187:drug effects*; D004396:Coloring Agents / Q000009:adverse effects*; D006801:Humans; D013653:Tattooing / Q000009:adverse effects*; D013997:Time Factors
chemical_list: D004396:Coloring Agents; C028433:chinese ink; D002244:Carbon