Doward LC, McKenna SP, Meads DM, Jovell AJ, Fisk J, Eckert BJ. The international development of patient reported outcome indices for multiple sclerosis. Poster presented at the 2006 Sixteenth Meeting of the European Neurological Society; May 2006. Lausanne, Switzerland. [abstract] J Neurol. 2006; 253(Suppl 2):125.
Bradley RH, National Institute of Child Health and Human Development (NICHD) Early Child Care Research Network, McLeod LD. Child care and common communicable illnesses in children aged 37 to 54 months. Arch Pediatr Adolesc. 2003 Feb;157(2):196-200. doi: 10.1001/archpedi.157.2.196