1 2 3 4 5

References Cebra-Thomas, J. Spring 2004. Embryology Laboratory CD. Swarthmore College. Elliot, A. T. J. Unger. “The developmental effects of nicotine on chick embryos.” Embryology Laboratory CD. Spring 2004. http://www.swarthmore.edu/NatSci/sgilber1/DB_lab/Student/Nicotine/Nicotine.html. April 20, 2004. Hanken, J., and R.J. Wasserug (1981) The visible skeleton. Funct. Photog 16:22-26.Maternal Smoking During Pregnancy and Asthma” April 19, 2004. http://asthma.about.com/cs/secondhandsmoke/l/aa111599.htm. Olds D.L., C. R. Henderson Jr, R. Tatelbaum. February 1994 “Intellectual impairment in children of women who smoke cigarettes during pregnancy.” Pediatrics. pp. 221-227 Otto, F, AP Thornell, T Compton, A Denzel, KC Gilmour, IR Rosewell, GWH Stamp, RSB Beddington, S Mundlos, BR Olsen, PB Selby, and MJ Owens (1997). Cbfa1, a candidate gene for cleidocranial dysplasia syndrome, is essential for osteoblast differentiation and bone development. Cell, 89, 765-771. (For Staining Protocol). Paulson, R.B., J. Shanfeld, D. Mullet, J. Cole, and J.O. Paulson. 1994. Prenatal Smokeless Tobacco Effects on the Rat Fetus. J Craniofac Genet Dev Biol14 (1):16- 25. Pierce, R. A., Nguyet M. Nguyen (2002). “Prenatal nicotine exposure and abnormal lung function.” American Journal of Respiratory Cellular and Molecular Biology. Vol. 26, pp 10-13. “ Protocol for clearing and staining for the demonstration of cartilage and bone.” Laboratory of Salamander Science, S.K. Sessions, Department of biology, Hartwick College. Oneonta, NY. April 20, 2004. http://info.hartwick.edu/biology/def_frogs/Introduction/clear.html