TY  - RPRT
TI  - Smoking and ulcerative colitis.
AU  - R F Logan
AU  - M Edmond
AU  - K W Somerville
AU  - M J Langman
PY  - 1984
DO  - 10.1136/bmj.288.6419.751
UR  - https://pubmed.ncbi.nlm.nih.gov/6423062/
ID  - 6423062
ER  -