Usai P, Serra A, Marini B, Mariotti S, Satta L, Boi MF, Spanu A, Loi G, Piga M.
Digestive and Liver Disease, 2004 Aug; 36(8):513-8.
Usai P, Serra A, Marini B, Mariotti S, Satta L, Boi MF, Spanu A, Loi G, Piga M.
Digestive and Liver Disease, 2004 Aug; 36(8):513-8.