Hanauer, S Mesalamine capsules for treatment of active ulcerative colitis: results of a controlled trial. Pentasa Study Group. [electronic resource] - The American journal of gastroenterology Aug 1993 - 1188-97 p. digital Publication Type: Clinical Trial; Journal Article; Multicenter Study; Randomized Controlled Trial; Research Support, Non-U.S. Gov't ISSN: 0002-9270 Subjects--Topical Terms: AdultAminosalicylic Acids--administration & dosageBiopsyCapsulesColitis, Ulcerative--drug therapyColon--pathologyDelayed-Action PreparationsDose-Response Relationship, DrugDouble-Blind MethodFemaleHumansMaleMesalamineSigmoidoscopy