Letters Smoking during pregnancy and congenital limb deficiency BMJ 1994; 309 doi: https://doi.org/10.1136/bmj.309.6952.476a (Published 13 August 1994) Cite this as: BMJ 1994;309:476 Article Related content Metrics Responses Peer review Related articles Paper Correction: Cervical smear uptake rates Published: 10 September 1994; BMJ 309 doi:10.1136/bmj.309.6955.674d