TY - RPRT TI - Severe ulcerative colitis during successful pregnancy. AU - C Greenfield AU - R E Pounder AU - I L Craft AU - A A Lewis PY - 1983 DO - 10.1136/pgmj.59.693.459 UR - https://pubmed.ncbi.nlm.nih.gov/6622331/ ID - 6622331 ER -