Price, A. M. H.; Wake, M.; Ukoumunne, O. C.; Hiscock, H. (1 October 2012). "Five-Year Follow-up of Harms and Benefits of Behavioral Infant Sleep Intervention: Randomized Trial". Pediatrics. 130 (4): 643–651. doi:10.1542/peds.2011-3467. PMID22966034. S2CID12739146.
Price, A. M. H.; Wake, M.; Ukoumunne, O. C.; Hiscock, H. (1 October 2012). "Five-Year Follow-up of Harms and Benefits of Behavioral Infant Sleep Intervention: Randomized Trial". Pediatrics. 130 (4): 643–651. doi:10.1542/peds.2011-3467. PMID22966034. S2CID12739146.
Price, A. M. H.; Wake, M.; Ukoumunne, O. C.; Hiscock, H. (1 October 2012). "Five-Year Follow-up of Harms and Benefits of Behavioral Infant Sleep Intervention: Randomized Trial". Pediatrics. 130 (4): 643–651. doi:10.1542/peds.2011-3467. PMID22966034. S2CID12739146.