Bystrova K. Skin-to-skin Contact and Suckling in Early postpartum: effects on temperature, Breastfeeding and mother-Infant interaction. A Study in St ptersberg Russia. Avhandling Karolinska institutet, 2008
Parent-infant skin-to-skin-contact studies: parent –infant interaction ans oxytocin levels during skin-to-skin contact after Cesarean section and mother-infant skin-to-skin contact as treatment for breastfeeding problems. Avhandling Karolinska Institutet 2012.