Annaházi Anita; Polyák Ilona; Nagy Ferenc; Wittmann Tibor; Molnár Tamás: "Ulcerative crepitus" - A case with subcutaneous emphysema and pneumomediastinum without colonic perforation or toxic megacolon in ulcerative colitis successfully treated conservatively.
JOURNAL OF CROHNS & COLITIS, 6 (6). pp. 717-719. ISSN 1873-9946 (2012)