Importance Children with neurodevelopmental disorders have a higher prevalence of sleep disturbances. Currently there is variation in the use of melatonin; hence, an up-to-date systematic review is ...
5 MRC Mineral Metabolism Research Unit, Department of Paediatrics, University of the Witwatersrand and Chris Hani Baragwanath Hospital, PO Bertsham 2013, South Africa Correspondence to: Dr P R Fischer ...