Lémann, M [4-ASA by oral administration in hemorrhagic rectocolitis: first controlled study]. [electronic resource] - Gastroenterologie clinique et biologique 1992 - 827-8 p. digital Publication Type: Clinical Trial; Journal Article; Randomized Controlled Trial ISSN: 0399-8320 Subjects--Topical Terms: Administration, OralAminosalicylic Acid--administration & dosageColitis, Ulcerative--drug therapyHumansPlacebos