2003
http://www.ncbi.nlm.nih.gov/pubmed/14563184
Riegler G, Bossa F, Caserta L, Pera A, Tonelli F, Sturniolo GC, Oliva L, Contessini Avesani E, Poggioli G; IG-IBD Group. Dig Liver Dis. 2003 Sep;35(9):628