Cite
HARVARD Citation
Entrican, J. et al. (1986). Chronic inflammatory bowel disease, cigarette smoking and use of oral contraceptives.. BMJ. 292 (6533), p. 1464. [Online].
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Entrican, J. et al. (1986). Chronic inflammatory bowel disease, cigarette smoking and use of oral contraceptives.. BMJ. 292 (6533), p. 1464. [Online].