title: The "frost sign" and the "snow white sign": intramucosal air injection or peroxide colitis?
authors: B
authors: B
authors: Lapeyre
mesh_terms: D000388:Air; D003092:Colitis / Q000139:chemically induced*; D003106:Colon / Q000503:physiopathology*; D003113:Colonoscopy; D006801:Humans; D006861:Hydrogen Peroxide / Q000009:adverse effects / Q000494:pharmacology*; D007267:Injections; D007413:Intestinal Mucosa / Q000503:physiopathology; D016877:Oxidants / Q000009:adverse effects / Q000494:pharmacology*
chemical_list: D016877:Oxidants; D006861:Hydrogen Peroxide