1. http://www.pslgroup.com/dg/51a46.htm http://www.elsevier.nl/inca/publications/store/5/0/6/0/5/0/
2. ?
3. R.P.K. Ford, P.J. Schluter, E.A. Mitchell, B.J. Taylor, R. Scragg, A.W. Stewart, and the New Zealand Cot Death Study Group. "Heavy Caffeine Intake in Pregnancy and Sudden Infant Death Syndrome." Archives of Disease in Childhood 78(1) January 1998:9-13. http://www.bmjpg.com/data/adccur.htm