1. Byrd, R.S. & Howard, C.R. Children's passive and prenatal exposure to cigarette smoke. Pediatr. Ann. 24, 640–645 (1995).
2. Streissguth, A.P., Sampson, P.D., Barr, H.M., Bookstein, F.L. & Olson, H.C. in The Effects of Prenatal Exposure to Alcohol and Tobacco: Contributions from the Seattle Longitudinal Prospective Study and Implications for Public Policy, eds. Needleman, H.L. & Bellinger, D. 148–183 (The Johns Hopkins University Press, Baltimore, 1994).
3. Olds, D.L., Henderson, C.R. & Tatelbaum, R.R. Intellectual impairment in children of woman who smoke cigarettes during pregnancy. Pediatrics 93, 221–227 (1994).
4. Martin, T.R. & Bracken, M.B. Association of low birth weight with passive smoke exposure in pregnancy. Am. J. Epidemiol. 124, 633–642 (1986).
5. Pershagen, G., Ericson, A. & Otterblad-Olausson, P. Maternal smoking in pregnancy: does it increase the risk of childhood cancer. Int. J. Epidemiol. 21, 1–5 (1992).