TY - JOUR AN - 12 AU - Ung,K.A. AU - Gillberg,R. AU - Kilander,A. TI - Role of bile acids and bile acid binding agents in patients with collagenous colitis. JO - Gut PY - 2000 VL - 46 SP - 170-175 M2 - 170 DO - 10.1136/gut.46.2.170 ER -