Dahlström, Anders; Ebersjö, Christina; Lundell, Bo (2008). "Nicotine in breast milk influences heart rate variability in the infant". Acta Pædiatrica97 (8): 1075–1079. PMID18498428. doi:10.1111/j.1651-2227.2008.00785.x.
Dahlström, Anders; Ebersjö, Christina; Lundell, Bo (2008). "Nicotine in breast milk influences heart rate variability in the infant". Acta Pædiatrica97 (8): 1075–1079. PMID18498428. doi:10.1111/j.1651-2227.2008.00785.x.