Kiełbratowska, Bogumiła, Justyna Michałek-Kwiecień, Maria Kaźmierczak, and Ewa Bandurska. 2018. “What Promotes and Hinders Success in Breastfeeding in Hospital Care? – the Role of Social Support and Anxiety”. Health Psychology Report 6 (3):252-60. https://czasopisma.bg.ug.edu.pl/index.php/HPR/article/view/8656.