Jonathon J. Evans, M.D. and Nolan Donovan Evans, R.N. “Twins: A Parents' Guide.” http://www.vh.org/pediatric/patient/pediatrics/parentsoftwins/index.html Farmer, Kerri. “Tips for Parents with Twins.” http://wy.essortment.com/tipstwins_rees.htm Mary Foley. “The Stress of Multiple Infants.” http://www.twinslist.org/coping1.html#stress Iannelli, Vincent. “Stuff for Twins,” “Expecting Twins” http://www.keepkidshealthy.com/twins/twin_stuff.html Jo Lee, Hannah Hulme Hunter, Dot Parry, Sue Allen-Mills, Alison White, Steve Killick. “Parenting Twins.” http://www.babyworld.co.uk/information/pregnancy/twins/parenting_twins.asp