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Ham DC, Przybeck T, Strickland JR, Luke DA, Bierut LJ, Evanoff BA.Ham DC, et al. Among authors: strickland jr.J Occup Environ Med. 2011 Nov;53(11):1337-45. doi: 10.1097/JOM.0b013e3182337778.J Occup Environ Med. 2011.PMID: 21988795Free PMC article.
Cavazos-Rehg PA, Spitznagel EL, Schootman M, Strickland JR, Afful SE, Cottler LB, Bierut LJ.Cavazos-Rehg PA, et al. Among authors: strickland jr.AIDS Patient Care STDS. 2009 Sep;23(9):727-34. doi: 10.1089/apc.2008.0272.AIDS Patient Care STDS. 2009.PMID: 19645618Free PMC article.