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Witt WP, Wisk LE, Cheng ER, Mandell K, Chatterjee D, Wakeel F, Godecker AL, Zarak D.Witt WP, et al. Among authors: cheng er.Matern Child Health J. 2015 Jan;19(1):84-93. doi: 10.1007/s10995-014-1498-8.Matern Child Health J. 2015.PMID: 24770955Free PMC article.
Witt WP, Park H, Wisk LE, Cheng ER, Mandell K, Chatterjee D, Zarak D.Witt WP, et al. Among authors: cheng er.Am J Public Health. 2015 May;105(5):1044-52. doi: 10.2105/AJPH.2015.302566. Epub 2015 Mar 19.Am J Public Health. 2015.PMID: 25790423Free PMC article.
Cheng ER, Park H, Wisk LE, Mandell KC, Wakeel F, Litzelman K, Chatterjee D, Witt WP.Cheng ER, et al.J Epidemiol Community Health. 2016 Mar;70(3):245-52. doi: 10.1136/jech-2015-205848. Epub 2015 Oct 23.J Epidemiol Community Health. 2016.PMID: 26500337Free PMC article.
Cheng ER, Palta M, Kotelchuck M, Poehlmann J, Witt WP.Cheng ER, et al.Pediatrics. 2014 Sep;134(3):e749-57. doi: 10.1542/peds.2014-0259. Epub 2014 Aug 11.Pediatrics. 2014.PMID: 25113290Free PMC article.
Witt WP, Wisk LE, Cheng ER, Hampton JM, Hagen EW.Witt WP, et al. Among authors: cheng er.Matern Child Health J. 2012 Oct;16(7):1525-41. doi: 10.1007/s10995-011-0916-4.Matern Child Health J. 2012.PMID: 22124801Free PMC article.