TY - RPRT TI - Chronic ulcerative colitis and pregnancy. AU - M S KLECKNER AU - J A BARGEN AU - E A BANNER PY - 1951 DO - 10.1016/0002-9378(51)90049-x UR - https://pubmed.ncbi.nlm.nih.gov/14885313/ ID - 14885313 ER -