Thompson, DouglasBarton, Bruce A2022-08-232022-08-232011-04-012011-07-05J Pediatr. 2011 Apr;158(4):689; author reply 689-90. <a href="http://dx.doi.org/10.1016/j.jpeds.2011.01.007">Link to article on publisher's site</a>0022-3476 (Linking)10.1016/j.jpeds.2011.01.00721315374https://hdl.handle.net/20.500.14038/47870en-USResearch DesignData Interpretation, StatisticalBias (Epidemiology)BioinformaticsBiostatisticsEpidemiologyHealth Services ResearchLetter to the Editorhttps://escholarship.umassmed.edu/qhs_pp/9812086397qhs_pp/981