[THE RECTUM IN ULCERATIVE COLITIS DIRECTLY BEFORE AND AFTER OPERATION].
D003092:Colitis; D003093:Colitis, Ulcerative; D006471:Gastrointestinal Hemorrhage; D006470:Hemorrhage; D012007:Rectum; D013514:Surgical Procedures, Operative
COLITIS, ULCERATIVE; HEMORRHAGE, GASTROINTESTINAL; RECTUM; SURGERY, OPERATIVE
LE RECTUM DANS LES COLITES ULC'EREUSES D'EMBL'EE AVANT ET APR'ES OP'ERATION.