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Williams AF, Wells JK.Williams AF, et al. Among authors: wells jk.J Safety Res. 2004;35(2):175-80. doi: 10.1016/j.jsr.2004.03.001.J Safety Res. 2004.PMID: 15178236
Williams AF, Wells JK.Williams AF, et al. Among authors: wells jk.Traffic Inj Prev. 2003 Dec;4(4):358-62. doi: 10.1080/714040494.Traffic Inj Prev. 2003.PMID: 14630585
Williams AF, Ferguson SA, Wells JK.Williams AF, et al. Among authors: wells jk.Traffic Inj Prev. 2005 Sep;6(3):202-6. doi: 10.1080/15389580590969085.Traffic Inj Prev. 2005.PMID: 16087458
Williams AF, Wells JK, Lund AK.Williams AF, et al. Among authors: wells jk.Am J Public Health. 1990 Dec;80(12):1514-6. doi: 10.2105/ajph.80.12.1514.Am J Public Health. 1990.PMID: 2240346Free PMC article.
Wells JK, Williams AF, Lund AK.Wells JK, et al.Am J Public Health. 1990 Jun;80(6):741-2. doi: 10.2105/ajph.80.6.741.Am J Public Health. 1990.PMID: 2343969Free PMC article.
Williams AF, Wells JK, Lund AK, Teed N.Williams AF, et al. Among authors: wells jk.Accid Anal Prev. 1989 Oct;21(5):427-33. doi: 10.1016/0001-4575(89)90003-1.Accid Anal Prev. 1989.PMID: 2619852
Wells JK, Williams AF, Fields M.Wells JK, et al.Am J Public Health. 1989 Mar;79(3):332-3. doi: 10.2105/ajph.79.3.332.Am J Public Health. 1989.PMID: 2916722Free PMC article.
Williams AF, Wells JK, Lund AK.Williams AF, et al. Among authors: wells jk.Accid Anal Prev. 1987 Aug;19(4):251-60. doi: 10.1016/0001-4575(87)90060-1.Accid Anal Prev. 1987.PMID: 3651199