1. Combrinck, M., & Byard, R. W. (2011). Infant Asphyxia, Soft Mattresses, and the” Trough” Effect. American Journal of Forensic Medicine and Pathology, 32(3), 213-214. doi: 10.1097/PAF.0b013e31822abf68
2. The Lullaby Trust. (2016). Evidence Base. Retrieved from https://www.lullabytrust.org.uk/evidencebase
3. Tappin, D., Brooke, H., Ecob, R., & Gibson, A. (2002). Used infant mattresses and sudden infant death syndrome in Scotland: case-control study. BMJ, 325(7371), 1007
4. Sherburn, R. E., Webb, T. E., & Jenkins, R. O. (2007). Detection of toxigenic bacteria in polyurethane foam from cot mattresses by polymerase chain reaction. Japanese Journal of Infectious Diseases, 60(1), 19-22
5. Jenkins, R. O. (2008). Mattress risk factors for the Sudden Infant Death Syndrome and dust-mite allergen (der p 1) levels. In Allergy and Asthma Proceedings (Vol. 29, No. 1, pp. 45-50). OceanSide Publications