6Maisels MJ,,Vain N,Acquavita AM etal.The effect of breastfeeding frequency on serum bilirubin levels. American Journal of Obstetrics and Gynecology . 1994
7SinghalA,Farooqi S,Rahilly SO e t a l.Early nutrition and lep tin concentrations in later life. The American Journal of Clinical Nutrition . 2002
8Saarinen K,Juntunen - Backman K,Jarvenpaa AL et al.Siivlahti E.Early feeding of cow‘smilk formula - risk for cow‘smilk allergy. J Pediatr Gasterol . 1997
9Duncan JM,Sears MR.Breastfeeding and allergies:time for a change in paradigm. Current Opinion in Allergy and Clinical Immunology . 2008
10Von KR,Koletzko B,Sauerwald T,et al.Breastfeeding and obesity :cross-sectional study. British Medical Journal . 1999