1. Alioto A, Di Lorenzo C (2017) Rumination syndrome. In: Faure C, Di Lorenzo C, Thapar N. Pediatric Neurogastroenterology. 2 Aufl., Springer International Publishing Switzerland, S 437–444
2. Apley J, Naish N (1958) Recurrent abdominal pains: a field survey of 1,000 school children. Archives of disease in childhood 33(168):165–170
3. Barr RG, Konner M, Bakeman R, Adamson L (1991) Crying in !Kung San infants: a test of the cultural specifity hypothesis. Dev Med Child Neurol 1991(33):601–610
4. Baum R (2017). Colic. In: McInery TK, Adam HK, Campbell DE, DeWitt TG, Foy JM, Kamat DM (2017) American Academiy of Peditarics Textbook of Pediatric Care, 2 Aufl. American Academy of Pediatrics, Elk Grove Village, IL, S 1868–1870
5. Baumgartner S, Hofer T, Wintersteiger B, Eitelberger F, Prenninger M (2017) The cyclic vomiting syndrome (CVS): a consecutive peadiatric case series (Abstract). Pädiatrie 29(1):74