Effect of prolonged and exclusive breast feeding on risk of allergy and asthma: cluster randomised trial
Objective To assess whether exclusive and prolonged breast feeding reduces the risk of childhood asthma and allergy by age 6.5 years.Design Cluster randomised trial.Setting 31 Belarussian maternity hospitals and their affiliated polyclinics.Participants A total of 17 046 mother-infant pairs were enr...
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Veröffentlicht in: | BMJ 2007-10, Vol.335 (7624), p.815-818 |
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