TY  - RPRT
TI  - Smoking and ulcerative colitis.
AU  - D S Rampton
PY  - 1984
DO  - 10.1016/s0140-6736(84)90105-3
UR  - https://pubmed.ncbi.nlm.nih.gov/6140479/
ID  - 6140479
ER  -