1. eCommunity.com: myFirst Aid: Jaundiced Newborn
Physiological jaundice (50% of newborns) Onset 2 to 3 days of age. Physiological jaundice peaks on day 4 or 5 and then gradually disappears over 1-2 weeks. Pattern similar to physiological type. Breastfeeding jaundice.
http://www.ecommunity.com/firstaid/pediatric/JaundicedNewborn.aspx

2. Common Concerns about Newborns
Common Concerns about Newborns Physiological Jaundice. Jaundice is normally harmless and not fatal, but doctors often prescribe phototherapy, when the jaundice is of the rare or harmful type. Jaundice is disease caused by the presence of large...
http://society.indianetzone.com/pregnancy/1/common_concerns_about_newborns.htm

3. Jaundice - Health Encyclopedia -- Health >> Medical Questions, Weight Loss, Pregnancy, Drugs, Hea...
Physiological (normal) jaundice: Breastfeeding and Jaundice Jaundice is due to a buildup in the blood of bilirubin, a yellow pigment which comes from the breakdown of old red blood cells. Clinical Features Of Liver Disease Topics [General]...
http://www.steadyhealth.com/encyclopedia/Jaundice