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Luckhaupt SE, Dahlhamer JM, Gonzales GT, Lu ML, Groenewold M, Sweeney MH, Ward BW.Luckhaupt SE, et al. Among authors: ward bw.Ann Intern Med. 2019 Aug 20;171(4):301-304. doi: 10.7326/M18-3602. Epub 2019 May 14.Ann Intern Med. 2019.PMID: 31083729Free PMC article.
Ward BW, Dahlhamer JM, Galinsky AM, Joestl SS.Ward BW, et al.Natl Health Stat Report. 2014 Jul 15;(77):1-10.Natl Health Stat Report. 2014.PMID: 25025690Free article.
Dahlhamer JM, Galinsky AM, Joestl SS, Ward BW.Dahlhamer JM, et al. Among authors: ward bw.Vital Health Stat 2. 2014 Dec;(169):1-32.Vital Health Stat 2. 2014.PMID: 25510624Free article.