TY  - RPRT
TI  - Ulcerative colitis in children.
AU  - A S LYONS
PY  - 1956
DO  - 10.1016/s0031-3955(16)30331-5
UR  - https://pubmed.ncbi.nlm.nih.gov/13289203/
ID  - 13289203
ER  -